CVE-2026-100644

Published: Set 26, 2026 Last Modified: Set 28, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 8,7

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Confidentiality: N/A

Integrity: N/A

Availability: N/A

HIGH 7,5

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Scope: unchanged

Confidentiality: high

Integrity: none

Availability: none

Description

AI Translation Available

SiYuan before v3.8.4 contains a SQL injection vulnerability in the graph query endpoint where the dailyNoteSavePath parameter is concatenated into SQL without escaping. Unauthenticated attackers on published sites with auth disabled can inject SQL via UNION SELECT to extract arbitrary database rows from all notebooks.

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-xr4h-j7cg-q8pc