Threats Tagged 'cve-2026-59898'
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Threats Tagged 'cve-2026-59898'
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Io.netty:netty codec http: Netty: WebSockets V07/V08 handshaker missing Connection/Upgrade validation (CVE-2026-59898)CVE-2026-59898 0 A vulnerability in io.netty:netty-codec-http's WebSocket V07/V08 handshaker allows an attacker to force a WebSocket upgrade by sending a Sec-WebSocket-Version: 7 header while omitting the required Connection: Upgrade and Upgrade: websocket headers. This causes the protocol switch to complete even though a proxy may not recognize it as an upgrade request, potentially enabling HTTP request smuggling or protocol confusion attacks. Join the discussion | GCVE Database | 07/22/2026, 21:48:59 UTC Added: 07/22/2026, 23:23:02 UTC |
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