CVE-2026-80214 json
LibreNMS Virtualisation Discovery Module RCE
published 3mo ago modified 2mo ago also EUVD-2026-66227 , GHSA-7hmq-j399-mqwf
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository librenms/librenms. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 8.6
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
LibreNMS’s Virtualization Discovery module is vulnerable to command line injection. An authenticated admin user can execute arbitrary code on the host server.
Patch / fix
- librenms librenms 26.4.1
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/librenms/librenms/security/advisories/GHSA-7hmq-j399-mqwf referenced PoC, tagged "exploit" by a source, unverified
- projectblack.io https://projectblack.io/blog/librenms-authenticated-rce-26-5-0/#rce-by-command-line-injection-2641 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- librenms librenms
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
github.com
/librenms/librenms/security/advisories/GHSA-7hmq-j399-mqwf
vendor-advisory, exploit, advisory
-
projectblack.io
/blog/librenms-authenticated-rce-26-5-0/#rce-by-command-line-injection-2641
third-party-advisory, exploit
Sources
- CVE List CVE-2026-80214
- NVD CVE-2026-80214
- Maintainer advisory GHSA-7hmq-j399-mqwf
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of librenms/librenms published their own advisory on GitHub. Reviewed sources take precedence over it.