CVE-2026-11577

CVE-2026-11577

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 escal…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11577?
CVE-2026-11577 is a high-severity vulnerability, classified under Incorrect Authorization. CVSS score: 7.2/10. Published 2026-06-08.
How severe is CVE-2026-11577?
High severity. CVSS v3 base score is 7.2 out of 10.