CVE-2026-57855 | Cockpit HQ Cockpit CMS up to 2.13.x Bucket file storage API Buckets.php api authorization

A vulnerability classified as critical has been found in Cockpit HQ Cockpit CMS up to 2.13.x. The impacted element is the function api of the file modules/System/Controller/Buckets.php of the component Bucket file storage API. The manipulation leads to missing authorization.

This vulnerability is traded as CVE-2026-57855. It is possible to initiate the attack remotely. There is no exploit available.