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GHSA-GWHP-PF74-VJ37 Fastify's connection header abuse enables stripping of proxy-added headers

🗓️ 16 Apr 2026 01:02:59Reported by GoogleType 
osv_ghsa
 osv_ghsa
🔗 osv.dev👁 22 Views

Fastify reply-from and http-proxy process the Connection header, enabling removal of proxy headers.

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10 Sep 2026 03:51Current
7.1High risk
Vulners AI Score7.1
CVSS 3.18.6
CVSS 49
EPSS0.0056
22