VULNERABILITY INTELLIGENCE

CVE-2026-18571

CVSS score6.6 MEDIUM
EPSS probability0.55%
CISA KEVNot currently listed
Published2026-08-02
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups the sub-administrator is not authorized to manage. This could lead to unauthorized access to sensitive information or elevated privileges for the newly created users.

Weakness classification

  • secalert@redhat.com: CWE-862

Primary references