Execution with unnecessary privileges in Kibana - CVE-2026-4498
Published: April 9, 2026
Vulnerability identifier: #VU125547
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-4498
CWE-ID: CWE-250
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to execution with unnecessary privileges in Kibana Fleet plugin debug route handlers when handling requests to internal debug routes. A remote user can send requests to the debug routes to disclose sensitive information.
Exploitation requires Fleet to be enabled and the user to have Fleet sub-feature privileges such as agents, agent policies, or settings management.
Affected software
Kibana
How to mitigate CVE-2026-4498
Install security update from vendor's website.
Kibana - addressed in versions 8.19.14, 9.2.8, 9.3.3