High severity8.8NVD Advisory· Published Jul 3, 2026· Updated Jul 6, 2026
CVE-2026-27775
CVE-2026-27775
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
code.gitea.io/giteaGo | < 1.26.3 | 1.26.3 |
Affected products
2- osv-coordsRange: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-649p-mmhf-85c7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-27775ghsaADVISORY
- blog.gitea.com/release-of-1.26.3-and-1.26.4ghsaWEB
- github.com/go-gitea/gitea/commit/99f8b3d9a1d32f4c39828e07971455a18191e0b9ghsaWEB
- github.com/go-gitea/gitea/pull/38151nvdWEB
- github.com/go-gitea/gitea/releases/tag/v1.26.3nvdWEB
- github.com/go-gitea/gitea/security/advisories/GHSA-649p-mmhf-85c7nvdWEB
- blog.gitea.com/release-of-1.26.3-and-1.26.4/nvd
News mentions
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