CVE-2026-109356

CVSS 5.3 (medium) · published 2026-10-12

LibreNMS before 26.9.0 contains a missing authorization vulnerability in PortsController::purge that allows global-read users to physically delete ports without delete privileges. Attackers with read-only accounts can send DELETE requests to /ports/purge, using purge=all to irreversibly erase every deleted port on all visible devices.

Weakness: CWE-862

Source: NVD CVE-2026-109356

References

• https://github.com/librenms/librenms/security/advisories/GHSA-9qcg-rgg9-mpjg
• https://www.vulncheck.com/advisories/librenms-before-26.9.0-missing-authorization-in-port-purge-via-portscontroller

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