CVE-2026-72803
MEDIUM
NVD
CVSS Score
5.8
Severity
MEDIUM
Published
Aug 12, 2026
Vendor
unknown
Description
SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.