CVE-2026-104410: Siyuan-Note Siyuan

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish readers to read password-protected and publish-disabled database rows via the /api/export/preview endpoint. Attackers can request an export preview of a public document embedding a database view to obtain protected rows' primary-key text and cell values.

Affected products

• Siyuan-Note Siyuan: before 3.8.5 (fixed in 3.8.5)

Published 2026-10-02. Last modified 2026-10-02.