CVE-2026-34965 Cockpit CMS Authenticated Remote Code Execution via Collections
Authenticated attackers with collection privileges can inject PHP code into Cockpit CMS to achieve remote code execution on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34965?
CVE-2026-34965 is a high-severity code injection vulnerability in Cockpit CMS, published on 29 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2026-34965?
How do I fix CVE-2026-34965?
No fix has been published for CVE-2026-34965 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-34965 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34965 exists.
Sources
Also known as GHSA-rh9x-q9jp-fgcf.