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
- Elastic Kibana — versions 9.5.0
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.