Command Line Injection Vulnerability in LibreNMS Virtualization Discovery Module
CVE-2026-80214

8.6HIGH

Key Information:

Vendor

Librenms

Status
Librenms
Vendor
CVE Published:
26 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-80214?

The Virtualization Discovery module of LibreNMS is susceptible to a command line injection vulnerability that allows an authenticated admin user to execute arbitrary commands on the host server. This substantial flaw poses a risk to system integrity and confidentiality, enabling potential attackers to manipulate server operations via crafted inputs. Users are encouraged to apply necessary updates and patches to safeguard their systems against exploitation.

Affected Version(s)

librenms 23.10.0 < 26.4.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-80214 - Proof of Concept

References

https://github.com/librenms/librenms/security/advisories/...
vendor-advisory
https://projectblack.io/blog/librenms-authenticated-rce-2...
third-party-advisoryexploit

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.