Vulnerability Description
Gitea 1.25.5 caches a branch-specific write-permission result across multiple refs in one pre-receive hook session, allowing a per-branch maintainer-edit grant to be reused for other refs and escalate to full repository write access.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
- https://github.com/go-gitea/gitea/pull/38151
- https://github.com/go-gitea/gitea/releases/tag/v1.26.3
- https://github.com/go-gitea/gitea/security/advisories/GHSA-649p-mmhf-85c7
- https://github.com/go-gitea/gitea/security/advisories/GHSA-649p-mmhf-85c7
FAQ
What is CVE-2026-27775?
CVE-2026-27775 is a vulnerability with a CVSS score of 8.8 (HIGH). Gitea 1.25.5 caches a branch-specific write-permission result across multiple refs in one pre-receive hook session, allowing a per-branch maintainer-edit grant to be reused for other refs and escalate...
How severe is CVE-2026-27775?
CVE-2026-27775 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27775?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.