CVE-2026-2043
Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | nagios |
| Product | host |
| Published | Feb 20, 2026 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Affected Versions
Nagios / Host
2026R1