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GHSA-4PX2-PW77-VC85 SwiftNIO HTTP/2: HTTP/2-to-HTTP/1 Request Smuggling via unvalidated :path pseudo-header in HTTP2ToHTTP1Codec

🗓️ 12 Jun 2026 15:08:16Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

SwiftNIO HTTP/2 to HTTP/1.1 validates pseudo-headers to prevent CRLF/NUL in :path

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12 Jun 2026 15:15Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.10
EPSS0.00053
5