Vulnerability Description
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
CVSS Score
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea | < 1.25.4 |
Related Weaknesses (CWE)
References
- https://blog.gitea.com/release-of-1.25.4/Release Notes
- https://github.com/go-gitea/gitea/pull/36341Issue TrackingPatch
- https://github.com/go-gitea/gitea/pull/36356Issue TrackingPatch
- https://github.com/go-gitea/gitea/releases/tag/v1.25.4Release Notes
- https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64Broken Link
FAQ
What is CVE-2026-20888?
CVE-2026-20888 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other u...
How severe is CVE-2026-20888?
CVE-2026-20888 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-20888?
Check the references section above for vendor advisories and patch information. Affected products include: Gitea Gitea.