High CVE-2026-43974 Unexpected Status Code or Return Value vulnerability in ninenines gun (gun_http module) allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gun_http:handle_inform/8, when a 101 Switching Protocols...

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[High] CVE-2026-43974 – Unexpected Status Code or Return Value vulnerability in ninenines gun (gun_http ...

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