CVE-2026-86191

SiYuan versions before v3.8.2 contain an information disclosure vulnerability in the getAttributeViewKeysByID endpoint that allows publish readers to enumerate private attribute view key definitions without verifying parent database visibility. Attackers can access the endpoint to retrieve complete key schemas including sensitive field names and relation definitions from hidden databases.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j4qq-w6qx-6839
https://www.vulncheck.com/advisories/siyuan-before-3.8.2-private-attribute-view-key-enumeration
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j4qq-w6qx-6839

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-05 13:18

Updated : 2026-09-08 20:05

NVD link : CVE-2026-86191

Mitre link : CVE-2026-86191

CVE.ORG link : CVE-2026-86191

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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