CVE-2023-31207: Checkmk

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Transmission of credentials within query parameters in Checkmk <= 2.1.0p26, <= 2.0.0p35, and <= 2.2.0b6 (beta) may cause the automation user's secret to be written to the site Apache access log.

Affected products

• Checkmk Checkmk: version 2.0.0 only; version 2.1.0 only; version 2.2.0 only

Published 2023-05-02. Last modified 2026-06-17.