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.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.84% chance of exploitation in the next 30 days, 55th percentile

Published

2026-04-29

Updated

2026-07-14

Proof-of-concept exploits (1)

• https://gist.github.com/thepiyushkumarshukla/64d2318518b17f529bc3ccb11fd5be90

References

• CVE Record
• NVD entry

Related

• CVE-2026-34950
• CVE-2026-34974
• CVE-2026-34940
• CVE-2026-34975
• CVE-2026-34934
• CVE-2026-34976