CVE-2026-6204: LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write
(updated )
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
- nvd.nist.gov/vuln/detail/CVE-2026-6204
- projectblack.io/blog/librenms-authenticated-rce-and-xss/
Code Behaviors & Features
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