CVE-2026-109356

MEDIUMCVSS 4.3

Description

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.

Timeline

Published:October 12th, 2026 5:17 PM

Last modified:October 15th, 2026 8:33 PM

CVSS Scoring

CVSS v3: 4.3 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

CWE-862

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute