A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

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History

Mon, 08 Jun 2026 13:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.
Title Keycloak: keycloak: privilege escalation via partialimport fgap permission bypass
First Time appeared Redhat
Redhat build Keycloak
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
Redhat red Hat Single Sign On
Weaknesses CWE-863
CPEs cpe:/a:redhat:build_keycloak:
cpe:/a:redhat:jboss_data_grid:8
cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jbosseapxp
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat build Keycloak
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
Redhat red Hat Single Sign On
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-06-08T11:44:41.892Z

Reserved: 2026-06-08T11:34:22.437Z

Link: CVE-2026-11577

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-08T13:16:32.943

Modified: 2026-06-08T13:16:32.943

Link: CVE-2026-11577

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses