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OpenAdvisories
High · 8.8 CVE-2026-72557 EUVD-2026-56027GHSA-8gxj-mv75-3mrm

Cockpit CMS Cockpit CMS - Unrestricted File Upload

Published Aug 11, 2026 · Updated Aug 11, 2026 · Assigned by TuranSec

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.

Affected products

VendorProductAffectedFixed
Cockpit CMS Cockpit CMS ≤ 2.6.0 —

References