Command injection in Nagios XI before 5.5.11 allows an authenticated users to execute arbitrary remote commands via a new autodiscovery job.
https://www.nagios.com/products/security/
https://www.nagios.com/downloads/nagios-xi/change-log/
http://seclists.org/fulldisclosure/2019/Apr/19
http://packetstormsecurity.com/files/152496/Nagios-XI-5.5.10-XSS-Remote-Code-Execution.html