Incorrect authorization in Kibana - CVE-2026-63137
Published: September 1, 2026
Vulnerability identifier: #VU146643
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-63137
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to incorrect authorization in the workflows feature when scheduled workflow executions are run. A remote user can cause scheduled workflow executions to run with the privileges of a different, higher-privileged user to escalate privileges.
Only instances with the Workflows feature enabled are vulnerable.
Affected software
Kibana
How to mitigate CVE-2026-63137
Install security update from vendor's website.
Kibana - update to 9.4.3