GO-2026-6043 Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write in code.gitea.io/gitea

Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write in code.gitea.io/gitea...

Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write

Vulnerability Header | Field | Value | | ------------------- | ----------------------------------------------------------------------------------- | | Vulnerability Title | Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write | | Severity Rating | High | | Bug...

GHSA-649P-MMHF-85C7 Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write

Vulnerability Header | Field | Value | | ------------------- | ----------------------------------------------------------------------------------- | | Vulnerability Title | Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write | | Severity Rating | High | | Bug...

CVE-2026-27775 Gitea pre-receive hook permission cache allows full repository write access

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...

CVE-2026-27775

Gitea versions prior to 1.26.3 (specifically 1.25.5 ) are vulnerable to an Authorization Bypass in the pre-receive hook. The system evaluates the CanMaintainerWriteToBranch permission only once per git push session and caches the result for all subsequent refs in the same batch. An attacker with ...