🛡️ CVE-2026-20800 — gitea

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation

Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.

Affected software

CVE-2026-20800 is recorded against 3 packages.

  • code.gitea.io/gitea
  • gitea
  • github.com/go-gitea/gitea

Timeline and source

Published on 2 February 2026 and last revised on 3 March 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Advisory)
nvd.nist.gov (Advisory)
blog.gitea.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)

Details

Severity Medium
CVSS Score 5.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-02-02
Updated 2026-08-12
Modified 2026-03-03
Fix URL N/A

Affected Packages

Software From version Fixed in
code.gitea.io/gitea — —
gitea — —
github.com/go-gitea/gitea — —

Similar Threats

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