CVE-2026-74865

The sogo_yhn component contains an authentication bypass vulnerability caused by the configuration parameter SOGoTrustProxyAuthentication=YES. This configuration allows an unauthenticated attacker to bypass password requirements during HTTP Basic authentication by providing a valid username and a...

CVE-2026-74865 Authentication Bypass in sogo_yhn

sogoyhn configures SOGo with a parameter "SOGoTrustProxyAuthentication=YES". This causes the password to be bypassed during HTTP Basic authentication. An unauthenticated attacker who provides the username of an existing user and any arbitrary password can successfully log in to that user's accoun...