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.

INFO

Published Date :

2026-02-20T22:21:44.120Z

Last Modified :

2026-02-26T14:44:13.112Z

Source :

zdi
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2042 vulnerability.

Vendors Products
Nagios
  • Host
  • Nagios Xi
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2042.

URL Resource
https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/ cve-icon cve-icon
https://www.zerodayinitiative.com/advisories/ZDI-26-071/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality Impact
Integrity Impact
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact