In anticipation of Nagios XI 5.6, today we released Nagios XI 5.5.11. This release has some notable security fixes that include some common vulnerabilities and exposures. In efforts to continue to increase security, we prioritize patching security vulnerabilities when disclosed. For information, please refer to our Security Page. To upgrade to XI 5.5.11, simply click on the update feature inside the Admin section of the XI interface. We highly encourage all Nagios XI users to update to the latest version.