CVE-2025-39666

HIGH

omd: Local privilege escalation when executing omd commands as root

Title source: cna

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.

References (1)

[Vendor Advisory] https://checkmk.com/werk/18891

Scores

CVSS v3 7.3

EPSS 0.0001

EPSS Percentile 1.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-426 CWE-829

Status published

Products (1)

checkmk/checkmk 2.2.0 (50 CPE variants)

Published Apr 07, 2026

Tracked Since Apr 07, 2026