CVE-2026-74865 — Authentication Bypass in sogo_yhn
sogo_yhn configures SOGo with a parameter "SOGoTrustProxyAuthentication=YES". This causes the password to be bypassed during HTTP Basic authentication. An unauthenticated attack…
Published: 2026-09-30 · CVSS: 9.2 · CVSS 4.0
sogo_yhn 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 account. This issue was fixed in version 5.8.0~ynh9.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7