110 行
5.8 KiB
Markdown
110 行
5.8 KiB
Markdown
---
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title: "Fastify's Missing End Anchor in 'subtypeNameReg' Allows Malformed Content-Types to Pass Validation"
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system_id: "fastify"
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category: "frameworks"
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advisory_mode: "core"
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published_date: "2026-03-05T21:29:54Z"
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updated_date: "2026-03-16T03:05:26.332715Z"
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severity: "low"
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exploit_status: "unknown"
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source_confidence: "official"
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verification_status: "triage-manual"
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verification_mode: "synthetic"
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artifact_mode: "synthetic"
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last_run_id: ""
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target_types:
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- "lab-local"
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- "lab-public"
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- "authorized-third-party"
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allow_public_validation: "yes, with ownership or explicit authorization"
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authorization_prerequisite: "asset ownership proof or explicit written authorization"
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minimal_validation: "read-only probe, controlled payload, reversible test"
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aliases:
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- "CVE-2026-3419"
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- "GHSA-573f-x89g-hqp9"
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affected_versions:
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- "introduced=5.7.2, fixed<5.8.1"
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fixed_versions:
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- "5.8.1"
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secure_code_topics:
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- "proxy-trust-boundary"
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- "ssrf-url-validation"
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- "xss-output-encoding"
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- "token-cookie-storage"
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primary_source: "https://github.com/fastify/fastify/security/advisories/GHSA-573f-x89g-hqp9"
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---
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# Fastify's Missing End Anchor in "subtypeNameReg" Allows Malformed Content-Types to Pass Validation
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## 本地实证状态
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- 实证状态: `triage-manual`
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- 实证方式: `synthetic`
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- Artifact 模式: `synthetic`
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- 最近运行: `-`
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- 浏览器证据: `missing`
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- Run Bundle: `-`
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## 事件层
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- Canonical ID: `fastify--CVE-2026-3419`
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- 系统: `fastify`
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- 严重度: `low`
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- 来源置信度: `official`
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- 官方主源: https://github.com/fastify/fastify/security/advisories/GHSA-573f-x89g-hqp9
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- 影响版本: `introduced=5.7.2, fixed<5.8.1`
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- 修复版本: `5.8.1`
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## 其他来源
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- https://nvd.nist.gov/vuln/detail/CVE-2026-3419
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- https://github.com/fastify/fastify/commit/67f6c9b32cb3623d3c9470cc17ed830dd2f083d7
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- https://cna.openjsf.org/security-advisories.html
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- https://github.com/advisories/GHSA-573f-x89g-hqp9
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- https://github.com/fastify/fastify
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- https://httpwg.org/specs/rfc9110.html#field.content-type
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- https://www.cve.org/CVERecord?id=CVE-2026-3419
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## 实验层
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- 仅用于自有资产、测试环境或已明确授权目标。
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- 允许公网可达目标，但必须满足资产归属或明确授权前提。
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- 最小化验证方式: 最小化验证、只读探测、可审计回显、受控注入。
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- 若该案例涉及插件、模块或扩展，应同时检查供应链与升级策略。
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- 禁止场景: 无归属证明或无明确授权的公网目标；知名公共网站或与测试无关的第三方资产；会造成持久破坏、数据越权下载或不可回滚影响的动作
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## 修复示例
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- [javascript-typescript:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/javascript-typescript/proxy-trust-boundary.md)
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- [nodejs:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/nodejs/proxy-trust-boundary.md)
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- [java:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/java/proxy-trust-boundary.md)
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- [php:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/php/proxy-trust-boundary.md)
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- [python:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/python/proxy-trust-boundary.md)
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- [ruby:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/ruby/proxy-trust-boundary.md)
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- [csharp:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/csharp/proxy-trust-boundary.md)
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- [go:proxy-trust-boundary](/Users/x/websafe/05-defense/secure-code/go/proxy-trust-boundary.md)
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- [javascript-typescript:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/javascript-typescript/ssrf-url-validation.md)
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- [nodejs:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/nodejs/ssrf-url-validation.md)
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- [java:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/java/ssrf-url-validation.md)
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- [php:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/php/ssrf-url-validation.md)
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- [python:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/python/ssrf-url-validation.md)
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- [ruby:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/ruby/ssrf-url-validation.md)
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- [csharp:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/csharp/ssrf-url-validation.md)
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- [go:ssrf-url-validation](/Users/x/websafe/05-defense/secure-code/go/ssrf-url-validation.md)
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- [javascript-typescript:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/javascript-typescript/xss-output-encoding.md)
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- [nodejs:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/nodejs/xss-output-encoding.md)
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- [java:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/java/xss-output-encoding.md)
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- [php:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/php/xss-output-encoding.md)
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- [python:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/python/xss-output-encoding.md)
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- [ruby:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/ruby/xss-output-encoding.md)
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- [csharp:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/csharp/xss-output-encoding.md)
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- [go:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/go/xss-output-encoding.md)
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- [javascript-typescript:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/javascript-typescript/token-cookie-storage.md)
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- [nodejs:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/nodejs/token-cookie-storage.md)
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- [java:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/java/token-cookie-storage.md)
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- [php:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/php/token-cookie-storage.md)
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- [python:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/python/token-cookie-storage.md)
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- [ruby:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/ruby/token-cookie-storage.md)
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- [csharp:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/csharp/token-cookie-storage.md)
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- [go:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/go/token-cookie-storage.md)
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