CVE-2026-101091: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in siyuan-note siyuan
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.
CVE-2026-101091: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in siyuan-note siyuan
Description
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.
CVSS v4.0
Score 7.1high
Affected software
siyuan-note
siyuan
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-27T20:29:07.433Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abae7a9f7a7c541064814c1
Added to database: 09/28/2026, 22:18:17 UTC
Last updated: 09/28/2026, 22:18:17 UTC
Views: 1
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