CVE-2026-27780

Published: Jul 3, 2026Modified: Jul 6, 2026Deferred

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (3)

https://blog.gitea.com/release-of-1.26.0/

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

https://github.com/go-gitea/gitea/pull/36963

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

https://github.com/go-gitea/gitea/releases/tag/v1.26.0

Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

Timeline

No history available yet.