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Vulnerability advisory

GHSA-v8f2-2ghq-9whv

Gitea forwarded-proto validation allows canonical URL spoofing

Published Updated OSV record ↗

Also known as CVE-2026-27779GO-2026-6345

Severity
  • CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected versions

code.gitea.io/gitea Go

All code.gitea.io/gitea advisories →
AffectedFixed in
All versions before 1.25.51.25.5

Description

Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.

References

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

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