CVE-2026-33457

Medium

Description

Livestatus injection in the prediction graph page in Checkmk <2.5.0b4, <2.4.0p26, and <2.3.0p47 allows an authenticated user to inject arbitrary Livestatus commands via a crafted service name parameter due to insufficient sanitization of the service description value.

SeverityMedium
CVSS6.3
Exploit probability—
ProductCheckmk
PublishedApr 10, 2026
First seenApr 10, 2026
Weakness typeCWE-140CWE-140

How to fix

Vendor advisories

Affected products

ProductAffected versionsFixed in
checkmk checkmk2.3.0, 2.4.0, 2.5.0—

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