CVE-2026-24097 | Checkmk up to 2.2.0/2.3.0p42/2.4.0p22 HTTP Response register_existing response discrepancy

A vulnerability has been found in Checkmk up to 2.2.0/2.3.0p42/2.4.0p22 and classified as problematic. The affected element is an unknown function of the file agent-receiver/register_existing of the component HTTP Response Handler. Performing a manipulation results in observable response discrepancy.

This vulnerability is cataloged as CVE-2026-24097. It is possible to initiate the attack remotely. There is no exploit available.

The affected component should be upgraded.