CVE-2026-50551 PUBLISHED

SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content

Assigner: GitHub_M
Reserved: 04.06.2026 Published: 24.06.2026 Updated: 25.06.2026

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting (XSS) vulnerability in the Attribute View (database) asset cell renderer that escalates to remote code execution (RCE) in the Electron desktop client. This vulnerability is fixed in 3.7.0.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	siyuan-note
Product	siyuan
Versions	Version < 3.7.0 is affected

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-56mp-4f3v-fgj2

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE