CVE-2026-45158

Published May 13th, 2026

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CVSS v3

9.1

CRITICAL

CVSS v2

N/A

Affected

PROJECT

Description

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8.

opnsense/core

OPNsense GUI, API and systems backend

GitHub

4.46K