CVE-2026-73041
CRITICAL
NVD
CVSS Score
9
Severity
CRITICAL
Published
Aug 15, 2026
Vendor
unknown
Description
SiYuan versions before v3.7.4 fail to validate or escape annotation fields written to disk by the setFileAnnotation endpoint. Attackers can inject malicious markup into annotation fields that execute as script in the PDF renderer with full Node.js access when a user opens an annotated PDF.