HIGH SeverityCVSS 4.08.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVE-2026-34965

Last updated Apr 29, 2026 · Published Apr 29, 2026

Description

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.

Affected products

1 listed

Cockpit:Cockpit CMS

Mappings

CWE

CWE-94

CAPEC

None listed.

Research

Command injection: how it works and how to prevent itCommand injection happens when untrusted input reaches a shell or process spawn. Avoid the shell, pass…
Template InjectionExplains how untrusted input can be executed by template engines on server or client. Covers safe templating…

Training

Injection TodaySQL, NoSQL, ORM, and LLM injection - what's changed and what hasn't.
Input Validation and Schema EnforcementValidate early, validate strictly - schemas, allowlists, and type-safe boundaries.