CVE-2026-11577
HIGH EPSS 23.9%
Published Jun 8, 20263w ago · Modified Jun 17, 20261w ago
7.2 CVSS 3.1
Published Jun 8, 2026 3w ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
23.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-863 Incorrect Authorization Authorization
References 3
- access.redhat.com https://access.redhat.com/security/cve/CVE-2026-11577
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2459993
- github.com https://github.com/keycloak/keycloak/issues/9387
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.