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CVSS 10.0CVSS 10.0 · CRITICAL

CVE-2026-69083Unauthenticated SQL Injection in SiYuan

SiYuan versions before v3.7.3 contain SQL injection vulnerabilities in the fullTextSearchAssetContent endpoint reachable by unauthenticated users and publish RoleReader tokens. Attackers can execute arbitrary SQL on the read-write asset-content database via unescaped method parameters and REGEXP clauses to read, modify, or delete cross-notebook data.

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Analysis

Una vulnerabilidad de inyección SQL en el endpoint de búsqueda de SiYuan permite a atacantes no autenticados leer, modificar o borrar datos de todos los notebooks. El fallo se debe a parámetros no saneados que permiten la ejecución de comandos SQL arbitrarios en la base de datos de activos. Es fundamental actualizar a la versión 3.7.3 para proteger la integridad y privacidad de la información almacenada.

Relevant roles

BackendSqlCyberSecurity

Severity

Score: 10.0(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: CHANGED
C: HIGH
I: HIGH
A: NONE
Weakness (CWE): CWE-89

EPSS

No EPSS score yet (CVE may be too fresh).

Technical description

SiYuan versions before v3.7.3 contain SQL injection vulnerabilities in the fullTextSearchAssetContent endpoint reachable by unauthenticated users and publish RoleReader tokens. Attackers can execute arbitrary SQL on the read-write asset-content database via unescaped method parameters and REGEXP clauses to read, modify, or delete cross-notebook data.

Published: 8/3/2026, 2:16:28 PM
Last modified: 8/3/2026, 4:16:31 PM

References

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