What is GHSA-vhq7-fwwh-7hjf?

GHSA-vhq7-fwwh-7hjf is a security advisory published by GitHub Security Advisories with Critical severity. Gitea pre-receive hook scanner errors allow branch-protection bypass

Which CVE IDs does GHSA-vhq7-fwwh-7hjf cover?

GHSA-vhq7-fwwh-7hjf covers the following CVE IDs: CVE-2026-27780. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vhq7-fwwh-7hjf?

GHSA-vhq7-fwwh-7hjf has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-vhq7-fwwh-7hjf?

GHSA-vhq7-fwwh-7hjf affects 1 product, including: go/code.gitea.io/gitea:\u003c 1.26.0.

GHSA-vhq7-fwwh-7hjfCriticalCVSS 9.8

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

Vendor

GitHub Security Advisories

Published

July 3, 2026

Last Modified

September 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-27780 →

📋 Description

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 products1

go/code.gitea.io/gitea:< 1.26.0

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-27780
https://github.com/go-gitea/gitea/pull/36963
https://blog.gitea.com/release-of-1.26.0
https://github.com/go-gitea/gitea/releases/tag/v1.26.0
https://github.com/go-gitea/gitea/commit/c453d09c36fad094405314dba2f370434b200711
https://github.com/advisories/GHSA-vhq7-fwwh-7hjf