Exposure of Sensitive System Information to an Unauthorized Control Sphere in Keycloak - CVE-2025-5416
Published: September 10, 2026
Vulnerability identifier: #VU148920
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-5416
CWE-ID: CWE-497
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive environment information.
The vulnerability exists due to exposure of sensitive system information in the /admin/serverinfo endpoint when handling requests to retrieve server information. A remote privileged user can access the endpoint to disclose sensitive environment information.
Affected software
Keycloak
How to mitigate CVE-2025-5416
Install security update from vendor's website.
Keycloak - update to 26.5.4