EndpointRequest.to() creates a matcher for null/** if the actuator endpoint, for which the EndpointRequest has been created, is disabled or not exposed. Your application may be affected by this if all the following conditions are met: * You use Spring Security * EndpointRequest.to() has been used in a Spring Security chain configuration * The endpoint which EndpointRequest references is disabled or not exposed via web * Your application handles requests to /null and this path needs protection You are not affected if any of the following is true: * You don't use Spring Security * You don't use EndpointRequest.to() * The endpoint which EndpointRequest.to() refers to is enabled and is exposed * Your application does not handle requests to /null or this path does not need protection