Is CVE-2026-72557 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-72557?

CVE-2026-72557 has a CVSS v3 severity of HIGH (8.8).

Back

CVE-2026-72557

Description

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.