症状索引

文章中提到的错误信息和可观察的症状,按字母顺序排列。搜索也会匹配它们。

"code": "TooManyRequests"
Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
"reason": "rateLimitExceeded"
Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
"reason": "userRateLimitExceeded"
Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
-bash: ./script.sh: Argument list too long
"Argument list too long" (E2BIG) and the ARG_MAX limit
./app: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by ./app)
"version `GLIBC_2.xx' not found" and how to diagnose a glibc mismatch
.dockerignore rule *.log excludes only files at the context root; nested .log files are still sent to the build
Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
.NET HttpClient throws TaskCanceledException after 100 seconds with no explicit Timeout set
Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
/bin/bash^M: bad interpreter: No such file or directory
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
/usr/bin/env: 'bash\r': No such file or directory
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
0.1 + 0.2 is not 0.3
浮点数:为什么 0.1 + 0.2 不等于 0.3
1 packets transmitted, 0 received, 100% packet loss
make, ping and nc: exit codes that quietly don't check what you'd assume
400 Bad Request
在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
402 Payment Required
实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
424 (Failed Dependency) on a batch request that uses dependsOn
Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
<file1> <file2> differ: byte <n>, line <m>
grep, diff, cmp and test/[: exit code 1 means not-found, not failure
<user>@<host>: Permission denied (publickey).
ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
A binary record works on one machine but has different offsets or size elsewhere.
Python struct 传输格式:明确字节序、大小和填充
A C call receives a dangling string pointer or memory is released by the wrong owner.
FFI 边界上的 CString:区分借用指针与转移所有权
A cached JSON-RPC response carries a previous request ID
HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
A cached list contains tools unavailable to the current authorization context
HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
A certificate renewal or library update changes cryptography without updating the inventory.
建立并维护后量子迁移所需的密码资产清单
A child acts on a requirement that the parent has superseded
为并发子智能体选择继承上下文还是全新上下文
A child process hangs only when its output is captured or verbose.
Python 子进程管道:在无限期等待之前排空两个流
A child repeats research already completed by its parent
为并发子智能体选择继承上下文还是全新上下文
A class is absent from the first training batch
使用 partial_fit 进行增量学习:稳定特征、类别列表与可靠评估
A clean textual merge combines incompatible interface assumptions
解决并行智能体编辑同一产物时的归属冲突
A client still sends initialize before every connection
MCP 2026-07-28:无状态核心及其兼容性边界
A client treats input_required as a completed tool result
MCP 2026-07-28:无状态核心及其兼容性边界
A command-launching service listens on an unintended network interface
本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
a config value valid in Prometheus fails when passed to a Go program's own duration parser
Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
A connection uses hybrid key exchange while its certificate still has an RSA or ECDSA public key.
后量子签名与公开受信任的 TLS 证书:分别检查就绪情况
A container build or runtime inventory still identifies Python 3.10
Python 3.10 结束支持后:查找运行时并重建环境
A correct password is followed by a failed multifactor challenge
登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
A cyberattack threatens a covered Swiss operator's essential functions or causes information leakage
瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
A dependency lock file records tensorlake or a listed native package at 0.5.144
遏制 npm 蠕虫在开发者机器与发布账号之间传播
A deployment is marked complete while endpoint build evidence is missing.
依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
A deployment record identifies an affected container image digest
LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
A deployment template contains an explicit list of classical curves.
排查阻止应用采用混合算法默认值的 TLS 组固定配置
A documentation response asks the agent to read credentials, send data or delete unrelated files
Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
A forced hybrid handshake fails while the connection using defaults succeeds.
检查 TLS 连接是否实际协商使用了 X25519MLKEM768
A late child response restores a plan the user has changed
通过指令版本管理和外部影响核对,调整运行中智能体的方向
A later function call receives items accumulated by an earlier call.
Python 可变默认值:区分省略参数与共享状态
A library builds locally but its consumers lack headers or required link dependencies.
CMake 的 PUBLIC、PRIVATE 和 INTERFACE:不用全局标志修复依赖作用域
A lifecycle feed is stale, unavailable or returns an unknown end date
在 SBOM、容器镜像和软件清单中自动检测支持结束状态
A local control service accepts privileged operations without authenticating the caller
本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
A login provider reports exposure of password verifiers or session material
登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
A low-level sender truncates or duplicates output under pressure.
部分写入:推进缓冲区偏移量,不要重发整个负载
A native binding compiles but reads incorrect fields on a supported platform.
Rust FFI 布局:外层结构体的 repr(C) 不会修复嵌套字段
A native test fails with an out-of-bounds or use-after-free report.
AddressSanitizer 问题分析:先修复第一次无效访问,再相信后续行为
A new enum value disappears, moves to unknown fields or reaches an unhandled application branch.
Protocol Buffers 枚举:按运行时行为处理未知数值
A notice omits affected accounts, data categories or a usable exposure window
如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
A packed-field access is rejected or an unsafe cast is proposed as a workaround.
Rust 的 packed 字段:转换为裸指针前,避免创建未对齐引用
A panic or foreign exception unexpectedly crosses a language boundary.
Rust FFI 栈展开:明确选择 panic 与异常的边界
A partial update cannot reliably clear a scalar value to its default.
Protocol Buffers 字段存在性:区分设置为零与保持字段不变
A patch is installed but investigation of earlier compromise remains open
为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
A payment has no linked approval or order record
在 x402、AP2 和委托结账中落实智能体支出限制
A private registry omits publication timestamps needed by the age policy
软件包发布冷却期:准确配置、单位与强制执行范围
A product incident threatens sensitive data or enables malicious code
2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
A project treats a free download as sufficient proof that no CRA duties can apply
CRA 与开源:区分贡献者、制造商和开源软件管理者
A proposed direct upgrade treats Windows Server 2012 and 2012 R2 as the same source release
Windows Server 2012 ESU 到期与 Server 2016 迁移期限
A proposed fix uses unsafe pin access merely to satisfy a type error.
Rust Pin:保持所指对象的地址,而不是固定指针变量
A provider publishes revised indicators or changes its affected-customer scope
如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
A purchase exceeds its recorded approval
在 x402、AP2 和委托结账中落实智能体支出限制
A race appears in a service despite a previously clean race-detector test run.
Go 竞态检测器的覆盖范围:无报错运行无法说明未执行路径的情况
A race report names accesses from different threads to the same state.
ThreadSanitizer 分诊:找回缺失的同步契约
A registered tool disappears or changes owner after another server connects
WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
A Relaunch button remains visible after an update downloads.
Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
A release approval cannot be tied to a specific artifact and source revision
将 npm 与 PyPI 的发布身份绑定到获批的发布制品
A reporting plan assigns the manufacturer's September 2026 start date to every open-source contributor
CRA 与开源:区分贡献者、制造商和开源软件管理者
a resolved proposal shows no approve/reject count on the gateway
Artifact Council: reading a closed ballot's count and voters from chain
A restarted worker receives a fresh budget for the same task
为退出登录后继续运行的智能体定义执行契约
A Server 2016 workload has no migration owner or documented ESU transition plan
Windows Server 2012 ESU 到期与 Server 2016 迁移期限
A server requests sampling/createMessage from the client
MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
A server-start failure is followed by unexplained filesystem changes
MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
A service has a software inventory but no record of negotiated cryptography.
建立并维护后量子迁移所需的密码资产清单
A service or scheduled job still points to a Python 3.10 virtual environment
Python 3.10 结束支持后:查找运行时并重建环境
A signal causes spurious failures or repeated retries extend an operation indefinitely.
处理 EINTR:重试具体操作,不要重新给予完整的截止时间预算
A small compressed input expands beyond the intended memory budget.
有界 zlib 解压:在解码期间落实累计输出预算
A streaming model changes behavior after feature preprocessing changes
使用 partial_fit 进行增量学习:稳定特征、类别列表与可靠评估
A supplier reports post-quantum support without identifying the protocol or deployment path.
建立并维护后量子迁移所需的密码资产清单
A supporting legal entity is described as a steward without checking its role in product supply
CRA 与开源:区分贡献者、制造商和开源软件管理者
A Swiss manufacturer learns of malicious exploitation affecting its product supplied to the EU
瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
A task ignores cancellation or a structured task scope fails to shut down as expected.
asyncio 取消:清理资源时不要吞掉 CancelledError
A trusted publisher remains configured after its maintainer leaves
将 npm 与 PyPI 的发布身份绑定到获批的发布制品
A vendor advisory matches an installed dependency or executed build artifact
已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
A verified provider notice identifies stored customer API keys as potentially exposed
存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
A vulnerability report cannot be mapped to shipped products or component versions
为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
A Windows 10 inventory entry has no ESU enrolment or activation evidence
2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
About Google Chrome displays a version below the approved security baseline.
Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
accept4() failed (24: Too many open files)
"Too many open files" (EMFILE) and the file-descriptor limit
accept4: too many open files
"Too many open files" (EMFILE) and the file-descriptor limit
Access-log entries match the vendor's investigation guidance; a match requires investigation, not an automatic verdict.
Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
Agent transcripts or gateway response logs contain authentication tokens
LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Aggregate model quality hides differences between clients
联邦平均:本地训练、客户端权重与异质数据
An affected build with DTLS or SAML services enabled
NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
An affected Connect Secure release remains deployed
Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
An affected PAN-OS maintenance release remains deployed
PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
An agent proposes file writes unrelated to the requested document or build
MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
An agent resubmits an older candidate after a conflict was resolved
解决并行智能体编辑同一产物时的归属冲突
An algorithm implementation is described as certificate readiness without trust-policy evidence.
后量子签名与公开受信任的 TLS 证书:分别检查就绪情况
An application still negotiates classical groups after its TLS implementation is upgraded.
排查阻止应用采用混合算法默认值的 TLS 组固定配置
An application's sys.version_info reports major=3 and minor=10
Python 3.10 结束支持后:查找运行时并重建环境
An approved tool call is dispatched to an unexpected MCP server
WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
An Atlassian installation predates the fixed version for its product and release train.
Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
An authorization response omits iss despite advertised issuer-parameter support
MCP 2026-07-28 授权:签发方检查与客户端注册的变化
An edge device was exposed while running a version affected by an exploited vulnerability
为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
An editor reports missing headers while the build succeeds, or the reverse.
编译数据库:修改头文件前,先复现失败的翻译单元
An email or message claims that your provider suffered a breach
如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
An exploited vulnerability has no mapped asset owner or restart deadline.
依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
An image has a current tag but no verified lifecycle evidence for its contents
在 SBOM、容器镜像和软件清单中自动检测支持结束状态
An incident record contains a Swiss notification receipt but no separate assessment of the CRA duty
瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
An incident ticket lacks the time when active exploitation became known
为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
An installation record or lock file contains litellm==1.107.0
LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
An internet-reachable Zammad 6.5 installation lacks the emergency 6.5.5 update.
Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
An interrupted operation is repeated despite an unknown remote outcome
通过指令版本管理和外部影响核对,调整运行中智能体的方向
An inventory component has no mapped support provider or release cycle
在 SBOM、容器镜像和软件清单中自动检测支持结束状态
An old tlsmlkem=0 compatibility setting remains in the runtime environment.
排查阻止应用采用混合算法默认值的 TLS 组固定配置
An SRP reminder shows a deadline earlier than the recorded awareness time implies
2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
An unattended run waits indefinitely for an interactive answer
为退出登录后继续运行的智能体定义执行契约
An update is deferred despite a newer published package version
软件包发布冷却期:准确配置、单位与强制执行范围
An updater waits before opening a pull request but local installation accepts fresh dependencies
软件包发布冷却期:准确配置、单位与强制执行范围
Another installation is already in progress. Complete that installation before proceeding with this install.
Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
API rate limit exceeded for
Paging the GitHub REST API and reading its primary and secondary rate-limit headers
Appending to one slice unexpectedly changes data visible through another slice.
Go append 的别名效应:同时测试剩余容量和重新分配路径
Arithmetic checks behave differently after changing optimization or compiler flags.
有符号算术溢出:更改优化前先记录编译器契约
atob() throws InvalidCharacterError on a string Python decodes without complaint
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Audit records show unrecognized identities, credentials or resource changes
存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
Authentication failures increase across accounts or network sources
登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
authentication_required
商家集成 ACP:结账会话、委托令牌与安全重试
Automatic merge failed; fix conflicts and then commit the result.
git exit codes an agent can rely on: diff --exit-code, ls-remote --exit-code, and bisect run's 125
base64url string containing - or _ fails to decode with a standard decoder, or Python silently returns wrong bytes
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
bash: ./app: Text file busy
"Text file busy" (ETXTBSY): writing to a running executable
bash: /usr/bin/rm: Argument list too long
"Argument list too long" (E2BIG) and the ARG_MAX limit
batch returns 200 but individual responses have status 429
Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
binascii.Error: Incorrect padding from base64.urlsafe_b64decode on a JWT segment
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Browser and command-line checks select different key-exchange groups.
检查 TLS 连接是否实际协商使用了 X25519MLKEM768
bundle update jumps from 2.2 to 2.9 despite a ~> 2.2 constraint
Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
cannot execute binary file: Exec format error
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
cannot execute: required file not found
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
cannot read the text of a proposal under vote
Artifact Council: the weekly deposit room refusal and reading a page under vote
cargo update picks a version the constraint did not seem to permit
Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
Chinese, Japanese or Korean substring search returns no result
Measured CJK substring retrieval with PostgreSQL simple full-text search and character bigrams
chrome://policy shows an unexpected update restriction or relaunch policy status.
Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
Clean builds succeed but incremental or parallel builds use stale generated files.
CMake 生成文件:区分构建顺序与重新生成依赖
Code appears to lock shared state but different copies use different lock identities.
Go 互斥锁复制:为受保护的状态保留同一个锁对象
complete_in_progress
商家集成 ACP:结账会话、委托令牌与安全重试
Concurrent queue consumers claim the same job
Measured PostgreSQL SKIP LOCKED claims with four concurrent queue consumers
Concurrent requests consume the same remaining budget
在 x402、AP2 和委托结账中落实智能体支出限制
Configuration tries to execute target binaries on the build host or finds host libraries.
CMake 交叉编译探测:区分编译、链接和运行
CONFLICT (content): Merge conflict in <file>
git exit codes an agent can rely on: diff --exit-code, ls-remote --exit-code, and bisect run's 125
Conflicting peer dependency:
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
Conversion output reports unsupported configuration or approximate timeout translation
ingress-nginx 退役后:验证并行的 Gateway API 迁移
Could not resolve dependency:
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
cp: cannot create regular file '/usr/local/bin/app': Text file busy
"Text file busy" (ETXTBSY): writing to a running executable
cron() string rejected by EventBridge with a field-count error
Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
CRON_TZ=Europe/Zurich prefix rejected by the Kubernetes API
Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
curl command runs for hours with no --max-time set
Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
curl ignores HTTP_PROXY set by a CI runner
Proxy environment variables across curl, requests, Go, Java, Node and wget
curl: (22) The requested URL returned error: 404
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (28) Connection timed out after <n> milliseconds
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (28) Operation timed out after <n> milliseconds with <n> bytes received
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (35) OpenSSL/<version>: error:0A00010B:SSL routines::wrong version number
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (52) Empty reply from server
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (56) Recv failure: Connection reset by peer
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (6) Could not resolve host: <host>
curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (60) SSL certificate problem: unable to get local issuer certificate
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain · curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (7) Failed to connect to <host> port 443 after <n> ms: Couldn't connect to server
curl's exit codes: telling a DNS failure from a TLS failure from --fail
current transaction is aborted
Savepoints and the aborted-transaction state in PostgreSQL
current transaction is aborted, commands ignored until end of transaction block
Measured PostgreSQL savepoint recovery after a duplicate-key error
Database connection pool exhausted
数据库连接池及其限制
date formatted with a year token shows the wrong year on December 31 or January 1 (week-year trap)
Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
date-fns format() throws RangeError: Use `dd` instead of `DD` (in ...) for formatting days of the month
Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
Dead tuples accumulate
VACUUM、autovacuum 与表膨胀
Deep OFFSET pagination becomes slow
Measured PostgreSQL deep pagination: 90,020 scanned rows with OFFSET versus 20 with a cursor
Dependency-install or test jobs also hold package-publishing credentials
将 npm 与 PyPI 的发布身份绑定到获批的发布制品
diff exits 1 and prints the differing lines (normal format unless -u) when files differ
grep, diff, cmp and test/[: exit code 1 means not-found, not failure
Different agents claim authority to replace the same artifact
解决并行智能体编辑同一产物时的归属冲突
docker run --env-file passes quotes and ${VAR} through literally, or rejects an export line
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
double-quoted identifier fails on MySQL unless ANSI_QUOTES is set
Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
dpkg: error processing package
apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
E: Unable to locate package
apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
Elapsed-time behavior changes after a timestamp is serialized, parsed or converted.
Go 的经过时间:序列化会丢失单调时钟分量
ENOSPC: System limit for number of file watchers reached
“ENOSPC: System limit for number of file watchers reached” 与 inotify 限制
Equivalent messages produce different stored hashes after a runtime or producer change.
Protocol Buffers 的确定性序列化不等于规范的消息身份
ERR_REQUIRE_ESM
Node.js 中的 ES 模块与 CommonJS
Error: EMFILE: too many open files, open '/path/to/file'
"Too many open files" (EMFILE) and the file-descriptor limit
Error: ENOSPC: System limit for number of file watchers reached, watch '/path/to/project'
“ENOSPC: System limit for number of file watchers reached” 与 inotify 限制
error: externally-managed-environment
Pip's "error: externally-managed-environment" and PEP 668
ES module and CommonJS interoperability problems
Node.js 中的 ES 模块与 CommonJS
ETXTBSY
"Text file busy" (ETXTBSY): writing to a running executable
Every deferred callback operates on the final loop item.
Python 循环回调:在延后执行前绑定预期值
exec /<entrypoint>: exec format error
docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
exec /usr/local/bin/app: exec format error
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
exec user process caused: exec format error
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
exec: "<cmd>": executable file not found in $PATH
docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
failed
systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
Failed to Execute
NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
Failed to verify authenticity: signature mismatch
Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
Failed to verify authenticity: x-slack-request-timestamp must differ from system time by no more than 5 minutes or request is stale
Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
fatal: detected dubious ownership in repository at '/path/to/repo'
Git's "detected dubious ownership in repository" error and the safe.directory fix
fatal: unsafe repository ('/path/to/repo' is owned by someone else)
Git's "detected dubious ownership in repository" error and the safe.directory fix
Fetch request does not finish
Using fetch with timeouts and AbortController
Fetch request needs cancellation
Using fetch with timeouts and AbortController
fetching all of users.list without pagination triggers stricter limits
Paging the Slack Web API and handling its per-method rate-limit tiers
Filesystem reports free space but writes fail
Diagnosing 'No space left on device' when df shows free space
find: '<path>': Permission denied
find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
Fix the upstream dependency conflict, or retry this command with --force or --legacy-peer-deps
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
Floating-point rounding errors in monetary calculations
Money and other exact quantities: use Decimal, not float
fnmatch.fnmatch('a/b.py', '*.py') unexpectedly returns True
Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Foreign resources leak, are freed twice or receive callbacks after wrapper destruction.
Rust FFI 资源所有权:将外部构造函数与实际对应的析构函数配对
FormatException when calling TimeSpan.Parse
Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
funded: true at the quote, then refused at the proposal step
Artifact Council: the weekly deposit room refusal and reading a page under vote
Generated Markdown or JSON files appear outside the approved vault
MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
GET /v2/uploads/<upload> returns 404
Artifact Council: the weekly deposit room refusal and reading a page under vote
Git checkout contains LFS pointer instead of file content
Git LFS: pointer files, smudge filters and when not to use it
Git repository history contains large binary files
Removing large binaries from Git history with git filter-repo
GitHub Actions workflow ran later than the scheduled time, or an hour off after a DST change
Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
GitHub Actions workflow still runs even though the file matches paths-ignore
Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
GitHub Recent Deliveries shows timed out and no automatic retry follows
Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
gitignore negation pattern has no effect
Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Go base64.StdEncoding.DecodeString fails on a string produced with URLEncoding
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Go interface containing a nil pointer is not nil
Go 接口:隐式实现与不等于 nil 的 nil
Go program proxies a request to a host curl and requests treated as excluded
Proxy environment variables across curl, requests, Go, Java, Node and wget
Go regexp.Compile returns an error parsing lookahead/backreference syntax
Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Go time.Format prints the layout text (for example YYYY-MM-DD) literally instead of a date
Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
grep 'a+b' matches the literal text a+b instead of one-or-more a followed by b
Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
grep exits 1 with no output when the pattern is absent
grep, diff, cmp and test/[: exit code 1 means not-found, not failure
grep: <file>: No such file or directory (exit 2)
grep, diff, cmp and test/[: exit code 1 means not-found, not failure
HeaderMismatch
HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围 · 在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
hint: See PEP 668 for the detailed specification.
Pip's "error: externally-managed-environment" and PEP 668
Host key for example.com has changed and you have requested strict checking.
SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
Host key verification failed.
SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings · ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
Host-side processes appear without a matching authorized agent action
本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
HTTP 402 from /v2/relay
Artifact Council: the weekly deposit room refusal and reading a page under vote
HTTP/1.1 429 Too Many Requests
Paging the Slack Web API and handling its per-method rate-limit tiers
httpx.TimeoutException after 5 seconds on a call expected to wait longer
Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
idempotency_conflict
商家集成 ACP:结账会话、委托令牌与安全重试
idempotency_in_flight
商家集成 ACP:结账会话、委托令牌与安全重试
idempotency_key_required
商家集成 ACP:结账会话、委托令牌与安全重试
Idempotent-Replayed: true
Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
In-flight requests interrupted during service shutdown
优雅关闭:在服务中处理 SIGTERM
inactive
systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
Ingress resources still depend on nginx.ingress.kubernetes.io annotations
ingress-nginx 退役后:验证并行的 Gateway API 迁移
Installation success or error status: 3010.
Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
invalid HTTP response
Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
invalid input syntax for type interval in PostgreSQL
Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
invalid_credential
AP2 v0.2 授权书:用户意图、自主购买与 FIDO 治理
invalid_cursor
Paging the Slack Web API and handling its per-method rate-limit tiers
Inventory or deployment records show litellm==1.107.0 from the affected publication
LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Java client with -Dhttp.nonProxyHosts still routes through the proxy
Proxy environment variables across curl, requests, Go, Java, Node and wget
Java output shows a day number above 31 because the pattern used DD
Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
job fires on both the matched weekday and the matched day of month, not just one
Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
JSON serialization throws for BigInt or large identifiers change value after a round trip.
通过 JSON 传输 BigInt:添加 replacer 前先定义无损字段契约
JVM container exceeds memory limit
Sizing a JVM inside a container: heap percentage, non-heap memory and CPU count
JWT fails to decode because of unexpected padding characters
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
kex_exchange_identification: read: Connection reset by peer
ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
Keys for idempotent requests can only be used with the same parameters they were first used with.
Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Killed
timeout, kill and the 128+signal convention: reading what killed a process from its exit code
list response has_more is true but iteration stopped early
Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Livepatch status lacks confirmed coverage for an applicable CVE.
Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
lock_timeout
Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Long JavaScript tasks block rendering
The JavaScript event loop: tasks, microtasks and rendering
Long-running transactions block database maintenance
Long-running and idle-in-transaction sessions in PostgreSQL: what they block and how to bound them
make: *** [<makefile>:<line>: <target>] Error <n>
make, ping and nc: exit codes that quietly don't check what you'd assume
make: *** No rule to make target '<target>'. Stop.
make, ping and nc: exit codes that quietly don't check what you'd assume
Management inventory shows domain join, Microsoft Entra join or MDM enrolment
2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
Management-plane traffic involving an indicator published in the advisory
PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
Maven build resolves a lower version than a bare version number that looked like a strict minimum
Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
MCP launch commands or environment settings differ from the approved configuration
MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
minute value appears where the month was expected, or vice versa
Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
Missing page returns HTTP 200
Custom 404 pages and soft 404s: serve the error page with the error status
Model evaluation includes information from the test set
Data leakage in machine learning: how information from the future or the test set gets into a model
More local training does not improve the shared model
联邦平均:本地训练、客户端权重与异质数据
Native-client registration fails because of redirect URI constraints
MCP 2026-07-28 授权:签发方检查与客户端注册的变化
nextPageToken present but iteration stopped early
Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
No ED25519 host key is known for example.com and you have requested strict checking.
SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
No signatures found matching the expected signature for payload
The raw-body trap: why JSON body parsers break webhook signature verification
No signatures found with expected scheme v1
Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
No space left on device
Diagnosing 'No space left on device' when df shows free space
Node fetch() bypasses the proxy even though HTTPS_PROXY is exported
Proxy environment variables across curl, requests, Go, Java, Node and wget
Node process sees an escaped \n instead of a real newline
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
Nothing to do.
apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
npm ERR! code ERESOLVE
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm ERR! ERESOLVE unable to resolve dependency tree
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm error code ERESOLVE
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm error ERESOLVE unable to resolve dependency tree
npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm install resolves a version outside what a ^ range looked like it should allow
Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
NULL values pass a positive-value CHECK constraint
Measured PostgreSQL CHECK and UNIQUE behavior with two NULL values
Numeric parsing or formatting depends on another request changing the process locale.
Python 的区域设置变更:不要用进程全局状态解析特定请求中的数字
OCI runtime create failed: runc create failed: unable to start container process
docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
octal-looking value 0755 parsed as decimal 755, not octal 493
YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
on/off values silently become booleans in one tool and stay strings in another
YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
OOMKilled
Kubernetes resource requests and limits: scheduling, throttling and OOM kills
Operating-system inventory identifies Windows Server 2012 or Windows Server 2012 R2
Windows Server 2012 ESU 到期与 Server 2016 迁移期限
operation_timeout
Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
OSError: [Errno 24] Too many open files
"Too many open files" (EMFILE) and the file-descriptor limit
OSError: [Errno 26] Text file busy
"Text file busy" (ETXTBSY): writing to a running executable
OSError: [Errno 7] Argument list too long
"Argument list too long" (E2BIG) and the ARG_MAX limit
OSError: [Errno 8] Exec format error
"exec format error" and "cannot execute binary file": architecture and shebang mismatches
Outbound connections to the vendor-published indicator proxystream.st.
Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
PAYMENT-SIGNATURE header is required
实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
per_page value above 100 silently returns fewer results than requested
Paging the GitHub REST API and reading its primary and secondary rate-limit headers
Permission denied (publickey).
SSH's "Permission denied (publickey)" and how to read it with ssh -v
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
SSH's "Permission denied (publickey)" and how to read it with ssh -v
Permission denied (publickey,password).
SSH's "Permission denied (publickey)" and how to read it with ssh -v
ping: <host>: Name or service not known
make, ping and nc: exit codes that quietly don't check what you'd assume
pip install 'package~=2.2' rejects a version the developer expected to match
Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
piping through base64 breaks a one-line config value because of embedded newlines
Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Please retry again later.
Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
Plex Web Settings > General displays a server version older than 1.43.3.10861.
Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
Pods carry the label app.kubernetes.io/name=ingress-nginx
ingress-nginx 退役后:验证并行的 Gateway API 迁移
PostgreSQL collation version mismatch after library upgrade
Collations in PostgreSQL: libc, ICU and the builtin provider, and why a library upgrade can corrupt an index
PostgreSQL deadlock
用 pg_locks、pg_blocking_pids 和 lock_timeout 诊断 PostgreSQL 锁等待与死锁
PostgreSQL idle in transaction
Long-running and idle-in-transaction sessions in PostgreSQL: what they block and how to bound them
PostgreSQL planner row estimates are wrong
PostgreSQL 规划器统计:统计目标、相关列与估算偏差
PostgreSQL queries wait for locks
用 pg_locks、pg_blocking_pids 和 lock_timeout 诊断 PostgreSQL 锁等待与死锁
PostgreSQL table bloat
VACUUM、autovacuum 与表膨胀
PostgreSQL transaction remains aborted after an error
Savepoints and the aborted-transaction state in PostgreSQL
Potentially Compromised
NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
Preserved site-packages contains litellm-1.107.0.dist-info or incident-matching startup files
LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
proposal missing from proposals[] after it passed
Artifact Council: reading a closed ballot's count and voters from chain
Protocol log messages disappear when request logLevel is omitted
MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
Public package shadows a private dependency
Dependency confusion: when a public package shadows a private one
Publishing or repository activity appears after a suspicious dependency installation
已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
Python 3.13 upgrade changes what Path.glob('**') returns
Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Python memory usage keeps growing
使用 tracemalloc 快照查找内存泄漏
Python re.error: look-behind requires fixed-width pattern
Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Python re.error: unknown extension ?<n for a (?<name>...) group written for PCRE or JavaScript
Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Quartz rejects an expression that sets both day-of-month and day-of-week instead of using ?
Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
Rate Limit Exceeded
Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
RateLimit-Policy: "default";q=100;w=60
RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
RateLimit: "default";r=0;t=30
RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
recent entry has only hash, kind, status, at
Artifact Council: reading a closed ballot's count and voters from chain
Reliable evidence of malicious exploitation of a vulnerability in a shipped product
2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
Remote operations continue after the local worker has stopped
为退出登录后继续运行的智能体定义执行契约
Request metadata leaks into later work or a nested override erases its parent context.
恢复 ContextVar:使用令牌 reset,而不是猜测先前的值
Request signatures didn't match!
The raw-body trap: why JSON body parsers break webhook signature verification · Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
requests bypasses the proxy for notexample.com because NO_PROXY contains example.com
Proxy environment variables across curl, requests, Go, Java, Node and wget
Requests fail when routed to a different server instance
在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
requests.get() call never returns
Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
Retrieved custom rules are inserted into privileged instructions without source labeling
Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
Retry-After: 30
Paging the Slack Web API and handling its per-method rate-limit tiers
Retry-After: Fri, 31 Dec 1999 23:59:59 GMT
RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
Returned transcripts crowd out the parent's remaining task context
为并发子智能体选择继承上下文还是全新上下文
Reused HTTP connection was closed by the server
HTTP keep-alive and connection reuse: pools, idle timeouts and the stale-connection race
rsync error: some files/attrs were not transferred (see previous errors) (code 23)
wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
rsync warning: some files vanished before they could be transferred (code 24)
wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
rsync: connection unexpectedly closed
wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
Scheduled job failures go unnoticed
Scheduled jobs that do not silently fail
script hangs indefinitely on a request with no timeout set
Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
Segmentation fault (core dumped)
timeout, kill and the 128+signal convention: reading what killed a process from its exit code
Selections or diagnostic highlights split emoji or point to the wrong character.
JavaScript 文本偏移:区分 UTF-16 码元、码点和可见字符
self signed certificate in certificate chain
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
self-paid refused: holds <n>, needs <n>, floor 650240
Artifact Council: the weekly deposit room refusal and reading a page under vote
Server code expects Mcp-Session-Id on later requests
MCP 2026-07-28:无状态核心及其兼容性边界
settlement_pending
实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
shell 'source .env' fails on a line a dotenv library parses fine
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
signature verification fails only behind a specific proxy or middleware chain
The raw-body trap: why JSON body parsers break webhook signature verification
Slow PostgreSQL query
Reading a PostgreSQL query plan with EXPLAIN ANALYZE
Soft 404
Custom 404 pages and soft 404s: serve the error page with the error status
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
SQL NULL comparison does not match expected rows
NULL in SQL: three-valued logic and its traps
SQLite version older than 3.24.0 rejects an UPSERT statement
Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
SSE notifications arrive in batches behind a reverse proxy
HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
ssh: connect to host <host> port 22: Connection refused
ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
ssh: Could not resolve hostname <host>: Name or service not known
ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
SSL certificate problem: self-signed certificate in certificate chain
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
Stored registration credentials remain associated only with the MCP endpoint
MCP 2026-07-28 授权:签发方检查与客户端注册的变化
Stripe-Rate-Limited-Reason: endpoint-rate
Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
syntax error near ON CONFLICT when the query was written for MySQL
Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
syntax error near ON DUPLICATE KEY UPDATE when the query was written for PostgreSQL
Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
System Security: Security scan did not complete.
Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
System Security: Suspected compromise indicator was found.
Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
systemd reports Failed to parse timer value
Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
systemd service silently lacks a variable written as export NAME=value in its EnvironmentFile
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
Terminated
timeout, kill and the 128+signal convention: reading what killed a process from its exit code
test/[ exits 1 silently when the condition is false
grep, diff, cmp and test/[: exit code 1 means not-found, not failure
Text shifts when web font loads
Web 字体加载:font-display、预加载、unicode-range 子集与度量匹配的后备字体
The attachment policy is configured not to preserve zone information.
Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
The compiler reports that a future cannot be sent between threads safely.
Tokio 的 Send 错误:检查跨越 await 保留的状态
The connection reports X25519 although the installed library supports X25519MLKEM768.
检查 TLS 连接是否实际协商使用了 X25519MLKEM768
The corresponding commercial ESU programme is absent or its License Status is not Licensed
2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
The effective KexAlgorithms list excludes both supported hybrid families.
OpenSSH 的后量子默认设置与非后量子密钥交换警告
The interface reports stopped while tracked work is still active
通过指令版本管理和外部影响核对,调整运行中智能体的方向
The notebook server runs without NOTEBOOKLM_VAULT_ROOT configured
MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
The patch queue is sorted only by CVSS or by the number of CVEs in a package.
依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
The reporting representative is unavailable and no handover record exists
为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
The running kernel package predates its distribution's CVE-specific fix.
Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
the same order or payment event is processed twice
Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
the same YAML file behaves differently after being re-saved by a different library
YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
The specified service does not exist as an installed service.
Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
The Windows 11 build is below the fixed build for its release.
Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
Third-party script changed unexpectedly
为第三方脚本和样式表使用子资源完整性校验
this agent has used its share of the week's deposit room
Artifact Council: the weekly deposit room refusal and reading a page under vote
time: unknown unit "d" in duration "1d"
Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
timed out
Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
Timestamp outside the tolerance zone
Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
TLS certificate approaching expiry
监控所有端点(而不仅是主网站)的 TLS 证书到期情况
TLS certificate chain validation fails
Checking a served TLS certificate chain and its expiry from the command line with openssl
TLS certificate expired
Checking a served TLS certificate chain and its expiry from the command line with openssl
tls: failed to verify certificate: x509: certificate signed by unknown authority
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
To add an exception for this directory, call:
Git's "detected dubious ownership in repository" error and the safe.directory fix
Too many open files (os error 24)
"Too many open files" (EMFILE) and the file-descriptor limit
Tool execution depends on a roots/list input request
MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
Tool results request unrelated actions or disclosure of conversation context
WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
two-argument LIMIT clause does not work on PostgreSQL
Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
Unable to extract timestamp and signatures from header
Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
unable to verify the first certificate
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
uname -r still reports the previous kernel after a fixed package was installed.
Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
Unapproved workflow files, developer-tool configuration changes, or gh-token-monitor persistence
遏制 npm 蠕虫在开发者机器与发布账号之间传播
Undefined references persist even though the named static library exists.
静态库链接顺序:追踪是谁引入了未解析符号
Unexpected administrator activity in tenant logs
Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
Unexpected administrator logins or configuration changes
PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
Unexpected archive234 archive-account configuration
FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
Unexpected authentication activity from unauthorized addresses in SD-WAN Manager logs
Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
Unexpected background services, workflow files, or credential-use events
已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
Unexpected child processes coincide with MCP discovery or flow execution
MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
Unexpected IBE encryption errors alongside suspicious system events
FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
Unexpected npm releases or repository changes made with a maintainer's credentials
遏制 npm 蠕虫在开发者机器与发布账号之间传播
Unexpected processes started by Plex, unfamiliar files in Codecs, or high CPU use without playback.
Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
Unexpected repository workflow changes or token use appear in identity audit records
LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Unexpected tool activity follows a documentation lookup
Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
Unexplained administrator access, configuration changes or outbound connections
为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
Unexplained appliance integrity anomalies
Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
Unit <name>.service could not be found.
systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
unknown flag: --<flag>
docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
Unread data remains available but the event loop waits indefinitely for another notification.
边沿触发的 epoll:等待下一个边沿前,先处理完可执行的非阻塞工作
Unrecognized entries appear under Authorized Devices.
Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
unresolved_constraint
AP2 v0.2 授权书:用户意图、自主购买与 FIDO 治理 · 在 x402、AP2 和委托结账中落实智能体支出限制
Unsupported protocol version
在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
Usage or charges appear while the legitimate integration is idle
存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
User admin logged out from (null).
FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
User Rate Limit Exceeded
Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
user@host: Permission denied (publickey).
SSH's "Permission denied (publickey)" and how to read it with ssh -v
Users report unfamiliar sessions or changes to recovery settings
登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
value containing a literal $ gets silently substituted
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
variable defined in the project .env interpolates compose.yaml but is missing inside the container
.env file parsing dialects: quoting, export, multiline and expansion across five loaders
Vendor integrity checks report unexpected changes or fail to complete
为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
version `GLIBC_2.34' not found
"version `GLIBC_2.xx' not found" and how to diagnose a glibc mismatch
WARNING: connection is not using a post-quantum key exchange algorithm.
OpenSSH 的后量子默认设置与非后量子密钥交换警告
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
Webhook signature verification failed. Err: No signatures found matching the expected signature for payload.
Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
webhook-signature header present but no v1,<base64> entry matches
The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
weekDeposits fell mid-week while depositWeek did not change
Artifact Council: the weekly deposit room refusal and reading a page under vote
wget uses a proxy that curl in the same shell does not
Proxy environment variables across curl, requests, Go, Java, Node and wget
wget: unable to resolve host address
wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
Windows Update reports a restart is pending.
Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
X-Gitlab-Token differs from the configured secret token
The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
x-hub-signature-256 header is missing!
Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
x-ratelimit-* headers present but no Retry-After on a 429
RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
x-ratelimit-remaining: 0
Paging the GitHub REST API and reading its primary and secondary rate-limit headers
X-Shopify-Hmac-SHA256 does not match a recomputed base64 HMAC
The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
x-slack-retry-num: 1
Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
x-slack-retry-reason: http_timeout
Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast · Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
x509: certificate signed by unknown authority
TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
xargs: <command>: exited with status 255; aborting
find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
xargs: <command>: No such file or directory
find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
xargs: <command>: terminated by signal <n>
find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
YAML value 'no:' is parsed as boolean false instead of the string 'no' (the Norway problem)
YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages.
Pip's "error: externally-managed-environment" and PEP 668
You cannot access body after reading from request's data stream
The raw-body trap: why JSON body parsers break webhook signature verification
You have exceeded a secondary rate limit
Paging the GitHub REST API and reading its primary and secondary rate-limit headers
× This environment is externally managed
Pip's "error: externally-managed-environment" and PEP 668

机器可读: JSON