CVE-2026-24096

HIGH

Insufficient permission validation on multiple REST API Quick Setup endpoints

Title source: cna

Description

Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information

References (1)

https://checkmk.com/werk/18989

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 14.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-280

Status published

Products (4)

checkmk/checkmk 2.4.0 (31 CPE variants)

checkmk/checkmk 2.5.0 b1

Checkmk GmbH/Checkmk 2.4.0 - 2.4.0p25

Checkmk GmbH/Checkmk 2.5.0b1 - 2.5.0b2

Published Apr 01, 2026

Tracked Since Apr 01, 2026