Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability
Vulnerability Details
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.
Additional Details
Nagios has issued an update to correct this vulnerability. More details can be found at:
https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/
Disclosure Timeline
- 2025-10-08 - Vulnerability reported to vendor
- 2026-02-12 - Coordinated public release of advisory
- 2026-02-12 - Advisory Updated
Credit
Vladislav Berghici of Trend Research
