CVE-2025-64996 – Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin’s output

CVE ID : CVE-2025-64996

Published : Nov. 18, 2025, 4:15 p.m. | 49 minutes ago

Description : In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin’s output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.

Severity: 4.8 | MEDIUM

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