MinorCritical vulnerability

CVE-2026-101091 (CVSS 7.1)

NVD · officialPublished Sep 28, 2026Risk 23/100

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.

Technical details

CVSS

7.1

AV:NetworkAC:LowPR:NoneUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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