EUVD-2026-60584

SiYuan before v3.7.4 contains an insufficient access control vulnerability in the /api/lute/spinBlockDOM endpoint, which is guarded only by CheckAuth middleware instead of CheckAdminRole like its sibling endpoint. Authenticated users with RoleEditor or RoleReader roles can invoke the endpoint to...

PT-2026-71981

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A SQL injection issue exists in the backlink/mention search query within kernel/model/backlink.go. The application concatenates stored block metadata title, name, alias, anchor text and a...

CVE-2026-72805

Affected software: SiYuan before v3.7.4. Root cause: endpoints getBlockBreadcrumb, getRefText, and getBlockTreeInfos do not enforce publish-access checks. Impact: anonymous readers or publish RoleReader accounts can disclose document titles, ancestor block content snippets, reference text, and pa...

CVE-2026-69086

SiYuan versions before v3.7.3 fail to validate the avID parameter on all code branches in attribute-view read endpoints, allowing attackers to construct traversal paths that escape the storage directory. Authenticated users with RoleReader permissions or anonymous clients when publish...

CVE-2026-30926

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

CVE-2026-30926 SiYuan Note publish service authorization bypass allows low-privilege users to modify notebook content

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

GHSA-F9CQ-V43P-V523 SiYuan: Authorization Bypass Allows Low-Privilege Publish User to Modify Notebook Content via /api/block/appendHeadingChildren

Summary A privilege escalation vulnerability exists in the publish service of SiYuan Note that allows a low-privilege publish account RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint only requires model.CheckAuth, which accepts RoleReader...

PT-2026-24116

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.10 Description A privilege escalation issue exists in the publish service of SiYuan Note. A low-privilege publish account RoleReader can modify notebook content through the /api/block/appendHeadingChildren API...