更新: 114 个文件 - 2026-03-19 16:45:07
这个提交包含在：
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---
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title: "Mattermost fails to validate user's authentication method when processing account auth type switch"
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system_id: "mattermost"
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category: "platforms"
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advisory_mode: "core"
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published_date: "2026-03-16T15:30:47Z"
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updated_date: "2026-03-19T19:31:20.982512Z"
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severity: "low"
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exploit_status: "unknown"
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source_confidence: "ecosystem-authority"
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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-2026-22545"
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- "GHSA-rv67-7w2g-7976"
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affected_versions:
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- "introduced=0, fixed<8.0.0-20260127144908-ced9a56e3988"
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- "introduced=0, fixed<5.3.2-0.20260127144908-ced9a56e3988"
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- "introduced=10.11.0-rc1, fixed<10.11.11"
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- "introduced=11.2.0-rc1, fixed<11.2.3"
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- "introduced=11.3.0-rc1, fixed<11.3.1"
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fixed_versions:
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- "8.0.0-20260127144908-ced9a56e3988"
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- "5.3.2-0.20260127144908-ced9a56e3988"
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- "10.11.11"
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- "11.2.3"
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- "11.3.1"
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secure_code_topics:
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- "authz-server-side-recheck"
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- "xss-output-encoding"
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- "token-cookie-storage"
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- "dependency-upgrade-policy"
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primary_source: "https://nvd.nist.gov/vuln/detail/CVE-2026-22545"
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---
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# Mattermost fails to validate user's authentication method when processing account auth type switch
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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: `mattermost--CVE-2026-22545`
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- 系统: `mattermost`
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- 严重度: `low`
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- 来源置信度: `ecosystem-authority`
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- 官方主源: https://nvd.nist.gov/vuln/detail/CVE-2026-22545
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- 影响版本: `introduced=0, fixed<8.0.0-20260127144908-ced9a56e3988, introduced=0, fixed<5.3.2-0.20260127144908-ced9a56e3988, introduced=10.11.0-rc1, fixed<10.11.11, introduced=11.2.0-rc1, fixed<11.2.3, introduced=11.3.0-rc1, fixed<11.3.1`
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- 修复版本: `8.0.0-20260127144908-ced9a56e3988, 5.3.2-0.20260127144908-ced9a56e3988, 10.11.11, 11.2.3, 11.3.1`
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## 其他来源
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- https://github.com/mattermost/mattermost/commit/ced9a56e3988fe9fd4559d45f9971dbd562e2218
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- https://github.com/mattermost/mattermost
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- https://mattermost.com/security-updates
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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:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/javascript-typescript/authz-server-side-recheck.md)
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- [nodejs:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/nodejs/authz-server-side-recheck.md)
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- [java:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/java/authz-server-side-recheck.md)
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- [php:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/php/authz-server-side-recheck.md)
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- [python:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/python/authz-server-side-recheck.md)
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- [ruby:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/ruby/authz-server-side-recheck.md)
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- [csharp:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/csharp/authz-server-side-recheck.md)
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- [go:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/go/authz-server-side-recheck.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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- [javascript-typescript:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/javascript-typescript/dependency-upgrade-policy.md)
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- [nodejs:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/nodejs/dependency-upgrade-policy.md)
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- [java:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/java/dependency-upgrade-policy.md)
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- [php:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/php/dependency-upgrade-policy.md)
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- [python:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/python/dependency-upgrade-policy.md)
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- [ruby:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/ruby/dependency-upgrade-policy.md)
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- [csharp:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/csharp/dependency-upgrade-policy.md)
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- [go:dependency-upgrade-policy](/Users/x/websafe/05-defense/secure-code/go/dependency-upgrade-policy.md)
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