CVE-2026-8593
MEDIUMCVSS 5.3/10EPSS 0.21%
Last modified
CVE-2026-8593 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Checkmk GmbH | Checkmk | >= 2.5.0, < 2.5.0p9; >= 2.4.0, < 2.4.0p34; >= 2.3.0, < 2.3.0p49 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-8593?
Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules
How severe is CVE-2026-8593?
CVE-2026-8593 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8593?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-8593?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST