CVE-2026-93591

Published: Set 18, 2026 Last Modified: Set 18, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,6
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: low
Availability: low

Description

AI Translation Available

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.

89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Authentication Access Control
Potential Impacts:
Execute Unauthorized Code Or Commands Read Application Data Gain Privileges Or Assume Identity Bypass Protection Mechanism Modify Application Data
Applicable Platforms
Languages: Not Language-Specific, SQL
Technologies: Database Server
Likelihood of Exploit: High
View CWE Details
https://github.com/siyuan-note/siyuan/security/advisories/G…
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5rwv-4j4c-f954
https://www.vulncheck.com/advisories/siyuan-before-3.8.3-sq…
https://www.vulncheck.com/advisories/siyuan-before-3.8.3-sql-injection-via-unes…