CVE-2026-72557
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductCockpit CMS
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Cockpit CMS Cockpit CMS | v ≤ 2.6.0 | — |
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