CVE-2026-6204

High

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.

SeverityHigh

CVSS7.2

Exploit probability—

ProductLibrenms

PublishedApr 13, 2026

First seenApr 13, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

librenms librenms26.3.0 or later
librenms/librenms26.3.0 or later

Vendor advisories

github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh

Affected products

Product	Affected versions	Fixed in
librenms librenms	v < 26.3.0	26.3.0
librenms/librenmsPackagist	1.48 ≤ v < 26.3.0	26.3.0

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