SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check

Summary /api/storage/getOutlineStorage is registered with CheckAuth only and performs no authorization of any kind. Given a document identifier it returns that document's stored outline state, regardless of the document's publish tier. The two write endpoints for the same data, setOutlineStorage...

Duplicate Advisory: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-53fp-9jmv-227g. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/storage/getOutlineStorage...

CVE-2026-73607: Missing Authorization

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/storage/getOutlineStorage endpoint that performs no authorization checks. Attackers can retrieve outline state including heading identifiers for any document by supplying its identifier, even for documents...