Vulnerability · Published Jan 22, 2026 · Assigned by Gitea
CVE-2026-20800Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation
Medium 6.5
In plain English
A medium-severity information exposure in Gitea Open Source Git Server from Gitea. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 64.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | code.gitea.io/gitea | 1.25.4 | GO-2026-4362 |
| Go | github.com/go-gitea/gitea | 1.25.4 | GHSA-2vgv-hgv4-22mh |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 – through 1.25.3 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory vendor-advisory
- GitHub Pull Request #36339 patch
- Gitea v1.25.4 Release release-notes
- Gitea v1.25.4 Release Blog Post release-notes