src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java

@@ -56,7 +56,7 @@
            String issuer = Urls.realmIssuer(session.getContext().getUri().getBaseUri(), realm.getName());
            String ticket = getTicket(input);

            checkTicket(ticket, renew);
            checkTicket(ticket, CASLoginProtocol.SERVICE_TICKET_PREFIX, renew);
            UserModel user = clientSession.getUserSession().getUser();

            Map<String, Object> attributes = getUserAttributes();