CVE-2026-2042CWE-78

Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability

High · published February 20, 2026

CVSS v3.0
7.2
EPSS
6%
Percentile
93.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.2 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06075 · 93.4th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-02-20T22:21Z
EPSS history
Timeline
  • 20 FEB 22:21Z
    Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability
    cvelistv5