Medium severity6.6NVD Advisory· Published Aug 2, 2026· Updated Sep 16, 2026
CVE-2026-18571
CVE-2026-18571
Description
A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups the sub-administrator is not authorized to manage. This could lead to unauthorized access to sensitive information or elevated privileges for the newly created users.
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Affected products
3- cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:-:*:*:*
Patches
Vulnerability mechanics
References
4- access.redhat.com/security/cve/CVE-2026-18571nvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor Advisory
- access.redhat.com/errata/RHSA-2026:68277nvd
- access.redhat.com/errata/RHSA-2026:68278nvd
News mentions
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