CVE-2026-72557
HighCVSS 8.8Summary
An unrestricted file upload vulnerability in Cockpit CMS 2.6.0 allows authenticated users to upload files of any extension including PHP scripts via the asset upload endpoint. The allowed_uploads defaults to wildcard and files are stored in a web-accessible directory.
Risk Assessment
The organization is exposed to remote code execution on the server, potentially leading to full system compromise.
Recommendation
Immediately restrict allowed file extensions, place the asset directory outside the public web root, and update Cockpit CMS.
Original NVD description (English source)
An unrestricted file upload vulnerability in Cockpit CMS 2.6.0 allows authenticated users to upload files of any extension including PHP scripts via the asset upload endpoint. The allowed_uploads configuration defaults to wildcard (*) and uploaded files are stored in a web-accessible directory. An attacker with any authenticated account can upload a PHP webshell and execute arbitrary OS commands on the server.

