PT-2026-64153 · Apple · Swift-Nio-Http2

CVE-2026-64785

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Published

2026-07-23

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Updated

2026-07-23

None

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SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2 version 1.45.0.
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Related Identifiers

CVE-2026-64785

Affected Products

Swift-Nio-Http2