Unrated severityNVD Advisory· Published Feb 20, 2026· Updated Feb 26, 2026
Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability
CVE-2026-2042
Description
Nagios Host monitoringwizard 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 monitoringwizard module. 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-28245.
Affected products
2- Nagios/Hostv5Range: 2026R1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/mitrevendor-advisory
- www.zerodayinitiative.com/advisories/ZDI-26-071/mitrex_research-advisory
News mentions
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