A vulnerability was found in GitLab Enterprise Edition up to 18.9.6/18.10.5/18.11.2 . It has been rated as problematic . Affected by this vulnerability is an unknown functionality of the component Merge Request Handler . Performing a manipulation results in authorization bypass. This vulnerability is known as CVE-2026-6063 . Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.