CVE-2026-93591
SiYuan before 3.8.3 SQL Injection via unescaped tag in graph.go
CVSS Score
7.6
EPSS Score
0.0%
EPSS Percentile
0th
SiYuan versions before 3.8.3 contain an SQL injection vulnerability in the graph.go query2Stmt function where tag values are concatenated raw into SQL string literals without escaping single quotes. A publish-mode reader or anonymous visitor can inject SQL via inline HTML span tags in the getGraph endpoint to execute arbitrary queries on the read-write database and exfiltrate private data across notebooks.
| CWE | CWE-89 |
| Vendor | siyuan-note |
| Product | siyuan |
| Published | Sep 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low
Affected Versions
siyuan-note / siyuan
0 < 3.8.3