CVE-2026-6204

Summary

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.

Affected Software

Weaknesses

• CWE-78: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh
• https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc

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