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.

References

Advisories
Exploits

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

https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc

Details

Source: Mitre, NVD

Published: 2026-04-13

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.5

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00017