Vulnerabilities CVE-2026-72789

CVE-2026-72789

Critical

Open

TLP:CLEAR

SiYuan before v3.7.4 Authentication Bypass via Encrypted Notebooks

NVD CVE.org

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Description

SiYuan before v3.7.4 fails to properly validate publish access for encrypted notebooks, treating them as publicly accessible by default. Anonymous readers can enumerate and retrieve fully decrypted document content from unlocked encrypted notebooks through the publish API without authentication or key material.

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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