Pivotal Ops Manager, versions 2.4.x prior to 2.4.27, 2.5.x prior to 2.5.24, 2.6.x prior to 2.6.16, and 2.7.x prior to 2.7.5, logs all query parameters to tomcat’s access file. If the query parameters are used to provide authentication, ie. credentials, then they will be logged as well.