PT-2026-67401 · Siyuan Note · Siyuan

Shirshakhtml · CVE-2026-68584 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

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.

Fix

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

CVE-2026-68584

Affected Products

Siyuan

References · 3

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-7j72-f6wg-cxw6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-68584 · Security Note
• https://vulncheck.com/advisories/siyuan-before-authentication-bypass-via-content-endpoints · Note