CVE-2026-2043
Last modified
CVE-2026-2043 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 74.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Nagios | Nagios Xi | 2026 | R1 |
References
- https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026r1-0-1/Product, Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-26-072/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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