CVE-2026-72795: Siyuan-Note Siyuan

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without authorization.

Affected products

• Siyuan-Note Siyuan: before 3.7.4 (fixed in 3.7.4)

Published 2026-08-12. Last modified 2026-08-26.