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CVE-2026-50159 Mermaid allows CSS injection applying to sibling elements of the diagram

🗓️ 06 Aug 2026 19:55:27Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 24 Views

Mermaid CSS injection via diagram names enables arbitrary CSS; fixed in 10.9.8 and 11.16.1.

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10 Sep 2026 03:46Current
5.5Medium risk
Vulners AI Score5.5
CVSS 45.3
EPSS0.00603
24