CVE-2026-74802

SiYuan versions before 3.7.4 contain a cross-site WebSocket hijacking vulnerability in the admin-only /ws/network/proxy endpoint that explicitly disables origin validation by setting CheckOrigin to unconditionally return true. Attackers can craft malicious webpages that establish WebSocket...

PT-2026-76601

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A cross-site WebSocket hijacking issue exists in the admin-only '/ws/network/proxy' endpoint. The flaw occurs because the CheckOrigin function is configured to unconditionally return true, effectively...