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GHSA-32h4-44jj-c5vx

Keycloak has privilege escalation via improper scope mapping enforcement

Source: GitHub Advisory Database (reviewed) High CVE-2026-9795

Packages

EcosystemPackageAffectedFixed in
Maven org.keycloak:keycloak-services < 26.6.4 26.6.4

Details

As written in the advisory (Markdown source, shown as plain text).

### Description A flaw was found in Keycloak's Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security controls, allowing the injected role to be projected into a user's authentication token when they access the modified client. This could lead to unauthorized privilege escalation within the Keycloak realm.

References

External links from the advisory. They lead to third-party sites.