CVE-2026-2042

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/20/2026

Last Modified2/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

nagios:nagios_xi

Weaknesses (CWE)

CWE-78

References

https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/(zdi-disclosures@trendmicro.com)

https://www.zerodayinitiative.com/advisories/ZDI-26-071/(zdi-disclosures@trendmicro.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.