CVE-2026-2041: Nagios XI

High severity, CVSS 8.8. EPSS: 74.2% chance of exploitation in the next 30 days.

Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required to exploit this vulnerability. The specific flaw exists within the zabbixagent_configwizard_func method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28250.

Affected products

• Nagios Nagios XI: version 2026 only

Published 2026-02-20. Last modified 2026-06-17.