Description
Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information disclosure.
References (1)
Scores
CVSS v3
6.5
EPSS
0.0005
EPSS Percentile
16.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-280
Status
published
Products (3)
checkmk/checkmk
2.2.0
checkmk/checkmk
2.3.0 (48 CPE variants)
checkmk/checkmk
2.4.0
Published
Dec 18, 2025
Tracked Since
Feb 18, 2026