Incorrect authorization in Kibana - CVE-2026-33461

 

Incorrect authorization in Kibana - CVE-2026-33461

Published: April 9, 2026


Vulnerability identifier: #VU125548
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-33461
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Elastic Stack
Affected software:
Kibana

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper access control in an internal Fleet API endpoint when handling requests for configuration data. A remote user can send a request to retrieve sensitive configuration data to disclose sensitive information.

Exploitation requires Fleet to be enabled and the user to have Fleet Agents privilege without Fleet Settings privilege.


How to mitigate CVE-2026-33461

Install security update from vendor's website.

Sources