CVE-2026-42400

Name of the Vulnerable Software and Affected Versions Kibana (affected versions not specified)

Description Uncontrolled Resource Consumption in Kibana can lead to a denial of service through excessive allocation. An authenticated user can send a specially crafted compressed request payload that is processed before authorization checks, resulting in excessive memory and CPU consumption that may cause the instance to become unresponsive or crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.