CVE-2026-72644

Description

Uncaught Exception (CWE-248) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only the low-privileged feature access required to use the Observability AI Assistant can submit a specially crafted request that produces an unhandled error condition, terminating the Kibana process and denying service to all users and spaces on that instance until it is restarted.

CVSS Vector

Affected Products

References

• https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-115/390088