CVE-2026-9088 LOW

CVE-2026-9088: Keycloak: keycloak: information disclosure due to user profile permission bypass

Vendor Red Hat
Product Red Hat build of Keycloak 26.6.3
Weakness CWE-1220
Published June 5, 2026
Last update June 10, 2026

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

A flaw was found in org.keycloak.services. An administrator with delegated access to read group memberships and users can bypass user profile permissions by accessing the group members endpoint. This allows the administrator to view user attributes that are explicitly configured to be denied, leading to information disclosure.

Key dates

02Disclosure timeline

June 5, 2026 CVE published
June 10, 2026 Record updated