CVE-2026-2042

HIGH EPSS 91.8%
Published Feb 20, 20264mo ago · Modified Feb 24, 20264mo ago
8.8 CVSS 3.1
High
Find Similar
Published Feb 20, 2026 4mo ago
Last Modified Feb 24, 2026 4mo ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
91.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

Affected Products 1

VendorProductVersionRange
nagiosnagios_xi2026any

References 2

  • nagios.com https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/
    ProductRelease Notes
  • zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-26-071/
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.