CVE-2026-43678
An unauthenticated remote peer can crash any NIOWebSocket-based server (including Vapor and Hummingbird) with a single 11-byte frame sent af
CVSS
5.3
Medio
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 20 ago 2026 · Última mod.: 20 ago 2026 · CWE-20 · CWE-770
Sin historial EPSS suficiente todavía.
An unauthenticated remote peer can crash any NIOWebSocket-based server (including Vapor and Hummingbird) with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0.
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