Nagios 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.

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History

Tue, 24 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 24 Feb 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Nagios nagios Xi
CPEs cpe:2.3:a:nagios:nagios_xi:2026:r1:*:*:*:*:*:*
Vendors & Products Nagios nagios Xi
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Nagios
Nagios host
Vendors & Products Nagios
Nagios host

Fri, 20 Feb 2026 22:30:00 +0000

Type Values Removed Values Added
Description Nagios 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.
Title Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability
Weaknesses CWE-78
References
Metrics cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-02-24T15:10:06.856Z

Reserved: 2026-02-06T01:14:34.450Z

Link: CVE-2026-2043

cve-icon Vulnrichment

Updated: 2026-02-24T15:10:00.775Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-20T23:16:04.517

Modified: 2026-02-24T13:16:42.467

Link: CVE-2026-2043

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-23T14:33:48Z

Weaknesses