CVE
CVE-2026-27780
Gitea pre-receive hook scanner errors allow branch-protection bypass
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Resources
No items found.
References
https://nvd.nist.gov/vuln/detail/CVE-2026-27780, https://github.com/go-gitea/gitea/pull/36963, https://github.com/go-gitea/gitea/commit/c453d09c36fad094405314dba2f370434b200711, https://blog.gitea.com/release-of-1.26.0, https://github.com/go-gitea/gitea, https://github.com/go-gitea/gitea/releases/tag/v1.26.0