CVE-2026-58393

OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override commonname field accepts path traversal sequences and openvpncscconfwrite concatenates the value into /var/etc/openvpn-csc// without normalization or a basename check. The...

CVE-2026-58393 OPNsense: OpenVPN Client Specific Override common_name allows path traversal in generated CSO files

OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override commonname field accepts path traversal sequences and openvpncscconfwrite concatenates the value into /var/etc/openvpn-csc// without normalization or a basename check. The...

CVE-2026-58393

OPNsense (prior to version 26.1.11 ) is vulnerable to a path traversal flaw in the OpenVPN Client Specific Override. The openvpn_csc_conf_write() function fails to normalize or perform a basename check on the common_name field, allowing an authenticated user with sufficient privileges to write ge...

EUVD-2026-102115

OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override commonname field accepts path traversal sequences and openvpncscconfwrite concatenates the value into /var/etc/openvpn-csc// without normalization or a basename check. The...