PT-2026-29510 · Checkmk · Checkmk

Published 2026-04-01 · Updated 2026-04-02 · CVE-2026-24096

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Checkmk versions 2.4.0 through 2.4.0p25 and 2.5.0 through 2.5.0b2

Description Insufficient permission validation exists on multiple REST API Quick Setup endpoints. This allows low-privileged users to perform unauthorized actions or obtain sensitive information.

Recommendations Update to version 2.4.0p26 or later. Update to version 2.5.0b2 or later.

Fix

Weakness Enumeration

CWE-280

Related Identifiers

CVE-2026-24096

Affected Products

Checkmk

References · 7

• https://ubuntu.com/security/CVE-2026-24096 · Vendor Advisory
• https://checkmk.com/werk/18989 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-24096 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-24096 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24096 · Security Note
• https://twitter.com/CVEnew/status/2039372066416218471 · Twitter Post
• https://twitter.com/cyberbivash/status/2039340679675982279 · Twitter Post