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...

EUVD-2026-60587

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

CVE-2026-72805 SiYuan before v3.7.4 Information Disclosure via Block Endpoints

SiYuan versions before v3.7.4 fail to enforce publish-access checks on getBlockBreadcrumb, getRefText, and getBlockTreeInfos endpoints, allowing disclosure of protected document content and metadata. Anonymous readers or publish RoleReader accounts can retrieve document titles, ancestor block...

CVE-2026-68585

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...

PT-2026-67403

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.3 Description Insufficient publish-access filters are applied to the content endpoints '/api/ref/getBacklinkDoc' and '/api/ref/getBackmentionDoc'. While backlink list endpoints correctly filter documents forbidden...