Check Point Advisories

LibreNMS Remote Code Execution (CVE-2026-6204)

Check Point Reference: CPAI-2026-3346
Date Published: 27 Apr 2026
Severity: High
Last Updated: Monday 27 April, 2026
Source:
Industry Reference:CVE-2026-6204
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? LibreNMS prior to 26.3.0
Vulnerability Description A remote code execution vulnerability in LibreNMS allows attackers with administrative privileges to compromise the underlying web server by abusing the Binary Locations config and the Netcommand feature.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the LibreNMS Remote Code Execution (CVE-2026-6204) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Application Servers Protection Violation.
Attack Information:  LibreNMS Remote Code Execution (CVE-2026-6204)

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