CVE-2026-50551

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

Published Jun 24, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-56mp-4f3v-fgj2 SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Siyuan
Siyuan siyuan
Vendors & Products Siyuan
Siyuan siyuan
Type Values Removed Values Added
Description 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.
Title SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 25, 2026, 1:20 PM
Reserved
Jun 4, 2026, 8:37 PM
Status
Deferred
Published
Jun 24, 2026, 10:16 PM
Modified
Oct 25, 2026, 11:10 PM