Improper Permission Enforcement in Checkmk Affects User Access Control
CVE-2026-24095

5.3MEDIUM

Key Information:

Vendor

Checkmk Gmbh

Status
Checkmk
Vendor
CVE Published:
9 February 2026

What is CVE-2026-24095?

An improper permission enforcement vulnerability in Checkmk allows users with the 'Use WATO' permission to access the 'Analyze configuration' page directly, bypassing critical authorization checks. This issue affects multiple versions of Checkmk and could enable users with the 'Make changes, perform actions' permission to execute unauthorized tasks such as disabling checks or acknowledging results without proper validation.

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Affected Version(s)

Checkmk 2.4.0 < 2.4.0p21

Checkmk 2.3.0 < 2.3.0p43

Checkmk 2.2.0

References

https://checkmk.com/werk/19032

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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