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  5. GHSA-pr3g-phhr-h8fh

GHSA-pr3g-phhr-h8fh: LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write

March 26, 2026

A vulnerability has been identified that allows an authenticated administrator to execute arbitrary code on the host server. By modifying the binary path settings for built-in network tools and bypassing an input filter, an attacker with administrative privileges can download and execute malicious payloads.

References

  • github.com/advisories/GHSA-pr3g-phhr-h8fh
  • github.com/librenms/librenms
  • github.com/librenms/librenms/blob/master/app/Providers/AppServiceProvider.php
  • github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh

Code Behaviors & Features

Detect and mitigate GHSA-pr3g-phhr-h8fh with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions starting from 1.48 before 26.3.0

Fixed versions

  • 26.3.0

Solution

Upgrade to version 26.3.0 or above.

Impact 8.1 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/librenms/librenms/GHSA-pr3g-phhr-h8fh.yml

Spotted a mistake? Edit the file on GitLab.

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