CVE-2026-73606

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers without entering the document password.

CVSS v3 5.8 MEDIUM

5.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vg99-7gj7-2fr5
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefids
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vg99-7gj7-2fr5

Configurations

No configuration.

History

23 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de SiYuan anteriores a la v3.7.4 contienen una vulnerabilidad de revelación de información en el endpoint /api/block/getRefIDs que no verifica los niveles de documentos protegidos con contraseña. Lectores no autenticados pueden descubrir que los documentos protegidos con contraseña hacen referencia a bloques específicos y obtener identificadores de bloque sin introducir la contraseña del documento.

Information

Published : 2026-08-13 12:17

Updated : 2026-10-24 15:10

NVD link : CVE-2026-73606

Mitre link : CVE-2026-73606

CVE.ORG link : CVE-2026-73606

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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