CVE-2026-86192: Siyuan-Note Siyuan

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

SiYuan versions before v3.8.2 fail to properly filter private attribute-view cell values in the getAttributeViewKeys endpoint. Publish readers can retrieve hidden KeyValues payloads from rows bound to inaccessible documents, exposing private database contents without authorization.

Affected products

• Siyuan-Note Siyuan: before 3.8.2 (fixed in 3.8.2)

Published 2026-09-05. Last modified 2026-09-10.