CVE-2026-2042
Command Injection in Nagios Monitoringwizard Enables Remote Code Execution
Publication date: 2026-02-20
Last updated on: 2026-02-24
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nagios | nagios_xi | 2026 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a command injection remote code execution flaw in the Nagios Host monitoringwizard module. It allows remote attackers who have authentication to execute arbitrary code on affected Nagios Host installations. The root cause is the lack of proper validation of a user-supplied string before it is used in a system call, enabling attackers to run code with the privileges of the service account.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an authenticated remote attacker to execute arbitrary code on the Nagios Host system. This can lead to full compromise of the affected system, including unauthorized access, data manipulation, service disruption, and potentially further attacks within the network.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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