Vulnerabilities CVE-2026-72804

CVE-2026-72804

Critical

Open

TLP:CLEAR

SiYuan before v3.7.4 Authentication Bypass via Graph Endpoints

NVD CVE.org

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Description

SiYuan versions before v3.7.4 fail to validate publish-password tier in getGraph and getLocalGraph endpoints, allowing anonymous readers to retrieve block-level content of password-protected documents. Attackers can call these endpoints without supplying a password to read protected document content and the complete reference topology.

Details

CVSS Score: 9.2
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Confidence: 90%
Published: Aug 12, 2026
Last Modified: Aug 12, 2026

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