Command Injection Vulnerability in Nagios Host Affects Remote Code Execution
CVE-2026-2041

7.2HIGH

Key Information:

Vendor

NagiOS

Status
Host
Vendor
CVE Published:
20 February 2026

What is CVE-2026-2041?

A command injection vulnerability exists within the zabbixagent_configwizard_func method in Nagios Host, allowing attackers to execute arbitrary code remotely. This issue arises from insufficient validation of user-supplied input used in system calls, potentially compromising the service account's integrity. Authentication is necessary to exploit this vulnerability, emphasizing the need for robust security practices and vigilant monitoring of affected installations.

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Deploy the Patch

Affected Version(s)

Host 2026R1

References

https://www.zerodayinitiative.com/advisories/ZDI-26-073/
x_research-advisory
https://www.nagios.com/changelog/nagios-xi/nagios-xi-2026...
vendor-advisory

CVSS V3.0

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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