LibreNMS vulnerabilities: known CVEs & security history
LibreNMS · Monitoring / NMS · 11 tracked CVEs · 0 actively exploited · updated November 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all LibreNMS release lines — 11 in total. A CVE here doesn't mean your version is affected — check LibreNMS's current status and the safe version to run.
Known LibreNMS CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-86426 | critical | 9.8 | 1% | 2026 |
| CVE-2024-51092 | critical | 9.1 | 7% | 2026 |
| CVE-2026-86427 | high | 8.8 | 0% | 2026 |
| CVE-2020-36947 | high | 7.1 | 0% | 2026 |
| CVE-2025-65013 | medium | 6.2 | 0% | 2025 |
| CVE-2025-62365 | medium | 6.1 | 0% | 2025 |
| CVE-2025-65093 | medium | 5.5 | 4% | 2025 |
| CVE-2025-62411 | medium | 5.5 | 13% | 2025 |
| CVE-2025-68614 | medium | 4.3 | 4% | 2025 |
| CVE-2025-62412 | low | 3.8 | 0% | 2025 |
| CVE-2025-65014 | low | 3.7 | 0% | 2025 |
Is my LibreNMS version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your LibreNMS version → · Monitor LibreNMS for new CVEs →
LibreNMS vulnerabilities — frequently asked
How many known vulnerabilities does LibreNMS have?
IsItPatched tracks 11 CVEs for LibreNMS. 2 are critical-severity and 2 high-severity. These span every release line — what matters is whether the version you run is affected.
Does LibreNMS have any actively-exploited vulnerabilities?
None of LibreNMS's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe LibreNMS vulnerability?
Among tracked issues, CVE-2026-86426 (CRITICAL, CVSS 9.8) ranks highest — a Improper authentication weakness.
Is LibreNMS safe to use?
It depends on the version. The latest supported LibreNMS release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: LibreNMS security status · LibreNMS end-of-life · actively-exploited CVEs. Always verify against LibreNMS's advisories — see our disclaimer.