sogo_yhn configures SOGo with a parameter that forces the request with HTTP header "x-webobjects-remote-user" to be treated as sent by a verified user without performing password validation.
CVSS 4.0CRITICAL 9.3·Network·No auth·No interaction·EPSS 0.00406·Published 2026-09-30·Fixed in 5.8.0~ynh9CWE-639