CVE-2026-73054 — SiYuan before v3.7.4 Authentication Bypass via WebSocket
SiYuan versions before v3.7.4 contain an authentication bypass vulnerability in the WebSocket endpoint caused by differential parsing of query parameters between authentication …
Published: 2026-08-15 · CVSS: 8.7 · CVSS 4.0
SiYuan versions before v3.7.4 contain an authentication bypass vulnerability in the WebSocket endpoint caused by differential parsing of query parameters between authentication exemption and session quarantine checks. Unauthenticated attackers can craft a malicious WebSocket URI with duplicated query parameters to bypass access auth code validation and receive the live kernel event stream including document identifiers, titles, and operation logs.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7