CVE-2026-8593: Checkmk 2.5.0 to before 2.5.0p9, 2.4.0 to before 2.4.0p34, 2.3.0 to before 2.3.0p49

Affected technology

Checkmk · 2.5.0 to before 2.5.0p9, 2.4.0 to before 2.4.0p34, 2.3.0 to before 2.3.0p49
Checkmk GmbH

Description’s affected range: 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)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.