A vulnerability was found in Checkmk up to 2.2.0/2.3.0p42/2.4.0p22 and classified as problematic. The impacted element is the function
deploy_agent of the component HTTP Response Handler. Executing a manipulation can lead to observable response discrepancy.
This vulnerability is registered as CVE-2026-2859. It is possible to launch the attack remotely. No exploit is available.
It is suggested to upgrade the affected component.
