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High · 8.5 CVE-2026-6204 EUVD-2026-21908GHSA-pr3g-phhr-h8fh

LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write

Published Apr 13, 2026 · Updated Apr 13, 2026 · Assigned by PRJBLK

Description

LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the Binary Locations config and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server.

Affected products

VendorProductAffectedFixed
librenms librenms < 26.3.0 26.3.0

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist librenms/librenms >= 1.48, < 26.3.0 26.3.0 GHSA-pr3g-phhr-h8fh

References