CVE-2018-8736: Nagios XI

High severity, CVSS 8.8. EPSS: 45.6% chance of exploitation in the next 30 days.

A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.

Affected products

• Nagios Nagios XI: from 5.2.0, before 5.4.13 (fixed in 5.4.13)

Published 2018-04-18. Last modified 2026-06-17.