CVE-2026-20800: Gitea

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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 products

• Gitea Gitea: before 1.25.4 (fixed in 1.25.4)

Published 2026-01-22. Last modified 2026-06-17.