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.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - 88ee5874-cf24-4952-aea0-31affedb7ff2

Published

2026-07-03

Last modified

2026-10-25

Weaknesses

CWE-863

Affected products

• Gitea Open Source Git Server (Gitea)

References

• https://github.com/go-gitea/gitea/pull/36963
• https://github.com/go-gitea/gitea/releases/tag/v1.26.0
• https://blog.gitea.com/release-of-1.26.0/