{"api_version":"1","generated_at":"2026-08-20T16:31:54+00:00","cve":"CVE-2026-75595","urls":{"html":"https://cve.report/CVE-2026-75595","api":"https://cve.report/api/cve/CVE-2026-75595.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-75595","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75595"},"summary":{"title":"Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext","description":"Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Fina and 4.2.17.Final, io.netty.handler.ssl.SslClientHelloHandler#decode checks the wrong offset before reading the four-byte TLS handshake header, so a ClientHello whose handshake header spans records can cause an IndexOutOfBoundsException and invoke select(ctx, null). This selects the default SslContext instead of the SNI-specific context. 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