A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions (FGAPv2) are enabled, an administrator who should only be able to search for users (but not view their full details) can use a specific "brute-force-user" endpoint to access a user's full profile. This includes sensitive information and security metadata. The issue occurs because the system fails to check if the administrator has the required "view" permission for that specific user when using this particular search path.
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History
Tue, 30 Jun 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions (FGAPv2) are enabled, an administrator who should only be able to search for users (but not view their full details) can use a specific "brute-force-user" endpoint to access a user's full profile. This includes sensitive information and security metadata. The issue occurs because the system fails to check if the administrator has the required "view" permission for that specific user when using this particular search path. | |
| Title | Keycloak-admin-ui: keycloak-admin-ui: keycloak: admin ui extension brute-force-user endpoint bypasses fgapv2 user view restrictions | |
| First Time appeared |
Redhat
Redhat build Keycloak Redhat jbosseapxp |
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| Weaknesses | CWE-639 | |
| CPEs | cpe:/a:redhat:build_keycloak: cpe:/a:redhat:jbosseapxp |
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| Vendors & Products |
Redhat
Redhat build Keycloak Redhat jbosseapxp |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-06-30T11:48:26.492Z
Reserved: 2026-06-30T10:52:31.949Z
Link: CVE-2026-14209
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OpenCVE Enrichment
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Weaknesses