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Vulnerability advisory

BIT-gitea-2026-20736

Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check

Published Updated OSV record ↗

Also known as CVE-2026-20736GHSA-hgr3-x44x-33hxGHSA-jr6h-pwwp-c8g6GO-2026-4367

Severity

Severity not reported.

Affected versions

gitea Bitnami

AffectedFixed in
All versions before 1.25.41.25.4

Severity for this package

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

Description

Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.

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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