Vulnerability in Keycloak's Admin UI Extension Allows Unauthorized User Data Access
CVE-2026-14209

4.3MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Build Of Keycloak
Red Hat Jboss Enterprise Application Platform Expansion Pack
Vendor
CVE Published:
30 June 2026

What is CVE-2026-14209?

A security flaw has been identified in Keycloak's Admin UI extension that allows certain administrative users to circumvent access restrictions. When Fine-Grained Admin Permissions (FGAPv2) are active, administrators who should be limited to searching for user accounts can exploit a specific endpoint, which enables them to retrieve complete user profiles. This includes highly sensitive information and security metadata that should remain confidential. The underlying issue stems from a failure to adequately verify whether the administrator possesses the necessary permissions to view these user details through the designated search mechanism.

References

https://access.redhat.com/security/cve/CVE-2026-14209
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2494837
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Jinyeong Yang for reporting this issue.
.