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GHSA-W95V-4H65-J455 SiYuan Affected by Zero-Click NTLM Hash Theft and Blind SSRF via Mermaid Diagram Rendering

🗓️ 10 Apr 2026 19:21:44Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 10 Views

Zero-click NTLM authentication and SSRF via Mermaid diagrams in SiYuan with loose security and unsafe SVG.

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25 Jun 2026 23:11Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
EPSS0.00306
10