Path traversal in Keycloak - CVE-2026-9083

 

Path traversal in Keycloak - CVE-2026-9083

Published: June 29, 2026


Vulnerability identifier: #VU135696
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-9083
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Keycloak
Affected software:
Keycloak

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to path traversal in the key provider component creation keystore parameter when creating a key provider component. A remote privileged user can submit an arbitrary filesystem path as a keystore parameter to disclose sensitive information.

The issue allows probing arbitrary filesystem paths to determine which files exist and are readable by the Keycloak process.


How to mitigate CVE-2026-9083

Install security update from vendor's website.

Sources