CRITICALCVSS 9.8EPSS 0.6%

CVE-2026-27780

Gitea pre-receive hook scanner errors allow branch-protection bypass

Published: 2026-07-03
Modified: 2026-09-01
EPSS percentile: 48%
Aliases: GHSA-vhq7-fwwh-7hjf
Sources: github-advisory

Summary

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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Go	code.gitea.io/gitea	—	1.26.0

Remediation: Upgrade to 1.26.0 or later.

References

https://github.com/advisories/GHSA-vhq7-fwwh-7hjf

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.