CRITICALVulnerability
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NVD CRITICAL: CVE-2026-73041 — SiYuan versions before v3.7.4 fail to validate or escape annotation fields writt...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 9. Published: 2026-08-15T22:16:53.883.

Indicators of Compromise (1)

CVE (1)
CVE-2026-73041
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 15, 2026. Verified by: NIST.

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