CVE-2026-57856

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with pregreplace'/^a-zA-Z0-9-./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...

CVE-2026-57855

Cockpit CMS contains a missing authorization vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php executes bucket commands ls, upload, removefiles, rename, createfolder without performing any ACL or role check. Any authenticated...

CVE-2026-57856: Improper Limitation of a Pathname to a Restricted Directory

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with pregreplace'/^a-zA-Z0-9-\./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...