CVE-2026-72810

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 v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-14 12:16

Updated : 2026-08-26 17:04

NVD link : CVE-2026-72810

Mitre link : CVE-2026-72810

CVE.ORG link : CVE-2026-72810

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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