Missing Authorization in LibreNMS - #VU152694
Published: September 28, 2026
Vulnerability identifier: #VU152694
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to physically delete network port records.
The vulnerability exists due to missing authorization in the PortsController::purge endpoint when handling DELETE requests to /ports/purge. A remote user can send a DELETE request with a port identifier or the purge=all value to physically delete network port records.
Using purge=all deletes every previously deleted port on devices visible to the user.
Affected software
LibreNMS
Remediation
Install security update from vendor's website.
LibreNMS - update to 26.9.0