CVE-2026-33203

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the SiYuan kernel WebSocket server accepts unauthenticated connections when a specific "auth keepalive" query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on...

CVE-2026-32815 SiYuan: Cross-Origin WebSocket Hijacking via Authentication Bypass — Unauthenticated Information Disclosure

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the WebSocket endpoint /ws allows unauthenticated connections when specific URL parameters are provided ?app=siyuan&id=auth&type=auth. This bypass, intended for the login page to keep the kernel alive, allows any...

GHSA-XP2M-98X8-RPJ6 SiYuan Vulnerable to Cross-Origin WebSocket Hijacking via Authentication Bypass — Unauthenticated Information Disclosure

Cross-Origin WebSocket Hijacking via Authentication Bypass — Unauthenticated Information Disclosure Summary SiYuan's WebSocket endpoint /ws allows unauthenticated connections when specific URL parameters are provided ?app=siyuan&id=auth&type=auth. This bypass, intended for the login page to keep...