CVE-2026-68584

HighCVSS 8.6/10Last modified Oct 23, 2026

Description

SiYuan versions before v3.7.3 contain an authentication bypass vulnerability in publish mode where content-returning endpoints getHeadingChildrenDOM, getHeading*Transaction, and getBacklinkDoc perform no password check despite protecting the primary getDoc endpoint. Anonymous attackers can retrieve full content of password-protected documents by obtaining internal block IDs from reader-accessible endpoints and calling unprotected content endpoints to bypass the password gate.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-288

Affected software

No affected versions have been published.

Timeline

Published: Aug 3, 2026
Last modified: Oct 23, 2026
NVD status: Deferred

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