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...

EUVD-2026-41636

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

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the pre-receive process. An attacker can gain unauthorized write access to the entire repository by exploiting cached branch-specific write-permission results across multiple refs within a single session...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to improper error handling in the pre-receive process when processing input with bufio.Scanner. An attacker can bypass branch-protection checks by submitting oversized input that triggers scanner errors...

CVE-2026-27780

Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks...

CVE-2026-27775

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-2026-27780

The CVE-2026-27780 issue affects Gitea versions before 1.26.0, where pre-receive hook input processing with bufio.Scanner may error without failing closed, allowing oversized input to bypass branch-protection checks. The root cause is improper handling of scanner errors in the pre-receive path. A...

CVE-2026-27780 Gitea pre-receive hook can miss branch-protection checks after scanner errors

Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks...

CVE-2026-27780

Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks...

EUVD-2026-41638

Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks...

CVE-2026-27775

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 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-2026-27780 Gitea pre-receive hook can miss branch-protection checks after scanner errors

Gitea versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input, allowing oversized input to bypass branch-protection checks...