A vulnerability was found in Elastic Kibana up to 8.19.12/9.2.6/9.3.1 . It has been classified as problematic . Impacted is an unknown function of the component Timelion Visualization Plugin . Performing a manipulation results in improper validation of specified quantity in input. This vulnerability is identified as CVE-2026-26940 . The attack can be initiated remotely. There is not any exploit available.