Description
Insufficient permission validation in Checkmk 2.4.0 before version 2.4.0p16 allows low-privileged users to modify notification parameters via the REST API, which could lead to unauthorized actions or information disclosure.
References (1)
Scores
CVSS v3
5.4
EPSS
0.0004
EPSS Percentile
10.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-280
Status
published
Products (1)
checkmk/checkmk
2.4.0 (22 CPE variants)
Published
Nov 18, 2025
Tracked Since
Feb 18, 2026