A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.keycloak:keycloak-services(Maven) | 0 | 22.0.10 | N/A |
| org.keycloak:keycloak-services(Maven) | 23.0.0 | 24.0.3 | N/A |
CVSS Metrics
