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GHSA-64MM-VXMG-Q3VJ http-proxy-middleware `router` host+path substring matching allows Host-header-driven backend routing bypass

🗓️ 18 Jun 2026 13:06:11Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 8 Views

Host and path router uses substring matching, enabling Host header spoofing to route to backends.

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06 Jul 2026 05:15Current
5.6Medium risk
Vulners AI Score5.6
CVSS 46.9
EPSS0.0034
8