Vulnerability Description
Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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/36344Issue TrackingPatch
- https://github.com/go-gitea/gitea/pull/36349Issue TrackingPatch
- https://github.com/go-gitea/gitea/releases/tag/v1.25.4Release Notes
- https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7cBroken Link
FAQ
What is CVE-2026-20897?
CVE-2026-20897 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
How severe is CVE-2026-20897?
CVE-2026-20897 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-20897?
Check the references section above for vendor advisories and patch information. Affected products include: Gitea Gitea.