Vulnerability in Elastic Kibana

CVE-2026-72644

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 v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-72644?
CVE-2026-72644 is a medium-severity vulnerability in Elastic Kibana, classified under CWE-248. CVSS score: 6.5/10. Published 2026-09-01.
How severe is CVE-2026-72644?
Medium severity. CVSS v3 base score is 6.5 out of 10.