CVE-2026-101091

Summary

SiYuan versions before v3.8.4 fail to properly validate SQL statements in block query embed blocks executed against siyuan.db. Attackers can craft malicious .sy documents with non-read-only SQL statements that execute automatically during background indexing, rendering, or export operations without authentication.

Affected Software

VendorProductVersion RangeStatus
siyuan-notesiyuan0 < 3.8.4affected
siyuan-notesiyuan3.8.4unaffected

Weaknesses

  • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References