CVE-2026-6204

8.5 highEPSS 7.5%

High (8.5) in librenms librenms. EPSS 7.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 7.5% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-04-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

librenms:librenms

References

https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh
https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc

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