CVE-2026-45158
CRITICAL
NVD
CVSS Score
9.1
Severity
CRITICAL
Published
May 13, 2026
Vendor
unknown
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.