PT-2026-73048

CVE-2026-73041

Published

2026-08-15

Updated

2026-08-27

Description by

CVSS 3.1

9.0

Critical

MetricsAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4

Description Insufficient validation or escaping of annotation fields written to disk via the 'setFileAnnotation' endpoint allows attackers to inject malicious markup. This markup executes as a script within the PDF renderer, granting full Node.js access when a user opens an annotated PDF.

Recommendations Update to version 3.7.4 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Shirshakhtml

Vendors

Affected products

Weakness enumeration

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

Related identifiers