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.
This CVE has been withdrawn by MITRE
MITRE marked CVE-2026-11577 as REJECTED on . It is no longer considered a valid vulnerability record. The original content below is preserved for historical reference only.
Reason given by MITRE
The reported behavior does not constitute a privilege escalation. Exploitation requires the attacker to already possess the manage-realm administrative role within the realm-management client. By design, the manage-realm role is intended to be equivalent in administrative authority to realm-admin. A user with manage-realm already has full administrative control over the realm. Therefore, importing users with realm-admin role mappings through POST /admin/realms/{realm}/partialImport does not gra…
CVE-2026-11577
✕ Withdrawn — historical dataHIGHPre-NVD 7.2
7.2CVSS
- CVSS v3
- 7.2
- EchelonGraph score
- Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
- EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- —Not applicable: this CVE ID was withdrawn
Published
June 8, 2026
Last Modified
June 30, 2026
References (4)
Frequently asked(4)
What is CVE-2026-11577?
CVE-2026-11577 is a rejected CVE ID: its record was withdrawn on July 3, 2026 and no longer describes a vulnerability. Reason given: The reported behavior does not constitute a privilege escalation. Exploitation requires the attacker to already possess the manage-realm administrative role within the realm-management client. By design, the manage-realm role is intended to be equivalent in administrative authority to realm-admin. A user with manage-realm already has full administrative control over the realm. Therefore, importing users with realm-admin role mappings through POST /admin/realms/{realm}/partialImport does not gra…
When was the CVE record for CVE-2026-11577 published?
The CVE record for CVE-2026-11577 was published on June 8, 2026. EchelonGraph's copy of the record carries a last-modified date of June 30, 2026; the record at its source may have been updated since.
What is the CVSS score of CVE-2026-11577?
CVE-2026-11577 has a CVSS base score of 7.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-11577?
There is nothing to remediate under CVE-2026-11577: it is a rejected (withdrawn) CVE ID and no longer describes a vulnerability.