GitLab EE Missing Authorization Vulnerability in Quick Actions

A vulnerability exists in GitLab Enterprise Edition (EE) versions 17.6.0 prior to 18.3.5, 18.4 prior to 18.4.3, and 18.5 prior to 18.5.1. This vulnerability allows authenticated users to execute unauthorized quick actions by inserting malicious commands into certain descriptions.

Impact

Exploitation of this vulnerability could lead to unauthorized execution of quick actions, potentially allowing for manipulation of project or user settings, depending on the nature of the quick actions executed.

Remediation

Users are advised to upgrade to GitLab versions 18.5.1, 18.4.3, or 18.3.5. Instructions for updating GitLab can be found on the GitLab Update page. For GitLab Runner, refer to the Updating the Runner page.