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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.075 · newest: 0.009 · change: -0.066
Affected products
- Librenms — versions 0
Weakness classification (CWE)
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.