Uncaught Exception in Kibana - CVE-2026-72644
Published: September 1, 2026
Vulnerability identifier: #VU146642
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72644
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncaught exception in Observability AI Assistant when handling a specially crafted request. A remote user can submit a specially crafted request to cause a denial of service.
Only deployments where the Observability AI Assistant is available and usable are exposed. The feature requires an Enterprise or trial license and a configured generative AI connector.
Affected software
Kibana
How to mitigate CVE-2026-72644
Install security update from vendor's website.
Kibana - addressed in versions 9.4.5, 9.5.1