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Vulnerability advisory

GO-2026-6342

Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea

Published Updated OSV record ↗

Also known as CVE-2026-26247GHSA-m5ch-ppfx-xv3v

Severity

Severity not reported.

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 OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea

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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