CVE-2026-2043

N

agios Host esensors_websensor_configwizard_func 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 esensors_websensor_configwizard_func method. 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-28249.

Configurations

Configuration 1 (hide)

cpe:2.3:a:nagios:nagios_xi:2026:r1:*:*:*:*:*:*

History

24 Feb 2026, 13:16

Type Values Removed Values Added
CPE cpe:2.3:a:nagios:nagios_xi:2026:r1:*:*:*:*:*:*
CVSS v2 : unknown
v3 : 7.2
v2 : unknown
v3 : 8.8
First Time Nagios
Nagios nagios Xi
References () https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/ - () https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/ - Product, Release Notes
References () https://www.zerodayinitiative.com/advisories/ZDI-26-072/ - () https://www.zerodayinitiative.com/advisories/ZDI-26-072/ - Third Party Advisory

20 Feb 2026, 23:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-20 23:16

Updated : 2026-02-24 13:16


NVD link : CVE-2026-2043

Mitre link : CVE-2026-2043

CVE.ORG link : CVE-2026-2043


JSON object : View

Products Affected
CWE
CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')