What is CVE-2026-6204?

CVE-2026-6204 is a high-severity vulnerability in Librenms, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-04-13.

How severe is CVE-2026-6204?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Librenms

CVE-2026-6204

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.075 (93.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Librenms — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a (vendor-advisory, Third Party Advisory)
ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-6204?: CVE-2026-6204 is a high-severity vulnerability in Librenms, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-04-13.
How severe is CVE-2026-6204?: High severity. CVSS v3 base score is 7.2 out of 10.