CVE-2026-44193: Opnsense

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore_config_section fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7.

Affected products

• Opnsense Opnsense: before 26.1.7 (fixed in 26.1.7)

Published 2026-05-13. Last modified 2026-06-17.