GHSA-PM3W-VXP9-CCWC SiYuan: Cross-boundary metadata disclosure via getBlockInfo (publish mode): reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered

CVE: This vulnerability corresponds to CVE-2026-68585. Summary The /api/block/getBlockInfo endpoint returns document root metadata including the document title rootTitle for a block in a publish-forbidden document, with no publish-access check. Its sibling /api/block/getDocInfo applies the...

EUVD-2026-52273

SiYuan: Cross-boundary metadata disclosure via getBlockInfo publish mode: reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered...

CVE-2026-68585 SiYuan before v3.7.3 Metadata Disclosure via getBlockInfo

SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID...