Information disclosure in Gitea
CVE-2026-20800
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.
Vulnerability class: Information Disclosure
EPSS: 0.004 (29.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Gitea
- Gitea Open Source Git Server — versions 0
Weakness classification (CWE)
References
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (vendor-advisory, Broken Link)
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (Patch, patch, Issue Tracking)
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes, Release Notes)
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2026-20800?
- CVE-2026-20800 is a medium-severity vulnerability in Gitea, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-01-22.
- How severe is CVE-2026-20800?
- Medium severity. CVSS v3 base score is 6.5 out of 10.