Vulnerability · Published Aug 11, 2026 · Assigned by TuranSec

CVE-2026-72557Cockpit CMS Cockpit CMS - Unrestricted File Upload

High 8.8

In plain English

A high-severity unrestricted file upload in Cockpit CMS from Cockpit CMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 58.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Cockpit CMS	Cockpit CMS	0 – through 2.6.0

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Project Repository