A flaw was found in Quarkus. When a Quarkus RestEasy Classic or Reactive JAX-RS endpoint has its methods declared in the abstract Java class or customized by Quarkus extensions using the annotation processor, the authorization of these methods will not be enforced if it is enabled by either 'quarkus.security.jaxrs.deny-unannotated-endpoints' or 'quarkus.security.jaxrs.default-roles-allowed' properties.

Red Hat JBoss EAP version 3.0.7 through before 4.0.0.Beta1 is vulnerable to a server-side cache poisoning or CORS requests in the JAX-RS component resulting in a moderate impact.