Stored XSS Vulnerability in SiYuan Personal Knowledge Management System
CVE-2026-44586

8.3HIGH

Key Information:

Vendor

Siyuan-note

Status
Siyuan
Vendor
CVE Published:
14 May 2026

What is CVE-2026-44586?

The SiYuan personal knowledge management system has a vulnerability where metadata from the public bazaar stage feed is rendered into HTML without adequate escaping. This flaw affects versions 2.1.12 up to before 3.7.0, leading to a stored XSS vulnerability within the desktop application. The issue is exacerbated by the application's configuration, which allows Node.js APIs to be executed due to the settings of nodeIntegration: true and contextIsolation: false. The vulnerability has been addressed in version 3.7.0, making it crucial for users to update to this version to mitigate the security risk.

Affected Version(s)

siyuan >= 2.1.12, < 3.7.0

References

https://github.com/siyuan-note/siyuan/security/advisories...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.