VULNERABILITY INTELLIGENCE
CVE-2025-39666
CVSS score9.3 CRITICAL
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-04-07
Last modified2026-10-12
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
Description
Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the `omd` administrative command is run by root.
Weakness classification
- CWE-426: Untrusted Search Path
- CWE-829: Inclusion of Functionality from Untrusted Control Sphere
Primary references
- security@checkmk.com — Vendor Advisory