This advisory has been withdrawn because it is a duplicate of GHSA-vg99-7gj7-2fr5. This link is maintained to preserve external references.
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers without entering the document password.
{
"cwe_ids": [
"CWE-639"
],
"github_reviewed": true,
"github_reviewed_at": "2026-10-01T16:29:01Z",
"nvd_published_at": "2026-08-13T12:17:25Z",
"severity": "MODERATE"
}