LibreNMS Vulnerable to Remote Code Execution by Signal Alert Transportation module

Date Aug 18, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer ยท librenms/librenms
CVE CVE-2026-55182
High-risk advisory CVE-2026-55182

Summary

LibreNMS Vulnerable to Remote Code Execution by Signal Alert Transportation module

Why it matters

GitHub has published a reviewed security advisory for librenms/librenms. Prioritize it with other application dependency updates.

Operator check

Check whether librenms/librenms is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.6.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.