This advisory has been withdrawn because it is a duplicate of GHSA-qvq9-hq6p-v378. This link is maintained to preserve external references.
SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.
{
"cwe_ids": [
"CWE-862"
],
"github_reviewed": true,
"github_reviewed_at": "2026-09-03T22:58:14Z",
"nvd_published_at": "2026-08-12T20:17:52Z",
"severity": "MODERATE"
}