CVE-2026-72801

SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8x84-r2ff-h8pq
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-encryption-key-material
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8x84-r2ff-h8pq

Configurations

No configuration.

History

23 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de SiYuan anteriores a la v3.7.4 revelan material de derivación de claves de cuadernos cifrados y claves de datos encapsuladas a través de puntos finales no autenticados en modo de publicación. Los atacantes pueden recuperar la sal de Argon2id, los parámetros de coste, los verificadores de contraseña y las claves de cuaderno encapsuladas para realizar cracking ilimitado de contraseñas maestras sin conexión sin limitación de velocidad.

Information

Published : 2026-08-12 20:17

Updated : 2026-10-24 15:10

NVD link : CVE-2026-72801

Mitre link : CVE-2026-72801

CVE.ORG link : CVE-2026-72801

JSON object : View

Products Affected

No product.

CWE

CWE-522

Insufficiently Protected Credentials

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