CVE-2026-72810

Description

SiYuan versions before v3.7.4 contain a publish-boundary bypass vulnerability in WebSocket broadcast sessions that allows anonymous readers to receive unfiltered edits. Attackers can establish a WebSocket connection to the publish surface and passively receive real-time content events including password-protected and forbidden documents without authentication.

CVSS Vector

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mw8r-mw84-88v2
• https://www.vulncheck.com/advisories/siyuan-before-publish-boundary-bypass-via-websocket