RCE in Cockpit Cms
CVE-2026-34965
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.013 · change: +0.004
Affected products
- Cockpit Cms — versions 0
Weakness classification (CWE)
References
- github.com/agentejo/cockpit (product)
- gist.github.com/thepiyushkumarshukla/64d2318518b17f529bc3ccb11fd5be90 (technical-description, exploit)
- github.com/agentejo/cockpit/commits/494765e4f0fb9484f320aee0c6ee889b6fa789b9 (third-party-advisory)
- www.vulncheck.com/advisories/cockpit-cms-authenticated-remote-code-execution-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-34965?
- CVE-2026-34965 is a high-severity vulnerability in Cockpit Cms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-04-29.
- How severe is CVE-2026-34965?
- High severity. CVSS v3 base score is 8.8 out of 10.