CVE-2026-34965 HIGH

CVE-2026-34965: Cockpit CMS Authenticated Remote Code Execution via Collections

Vendor Cockpit
Product Cockpit CMS
Weakness CWE-94 · Code injection
Published April 29, 2026
Last update May 1, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Cockpit CMS contains an authenticated remote code execution vulnerability in the /cockpit/collections/save_collection endpoint that allows authenticated attackers with collection management privileges to inject arbitrary PHP code into collection rules parameters. Attackers can inject malicious PHP code through rule parameters which is written directly to server-side PHP files and executed via include() to achieve arbitrary command execution on the underlying server.

Key dates

02Disclosure timeline

April 29, 2026 CVE published
May 1, 2026 Record updated