CVE-2026-1010-WebSocket-Connection-Smuggling-via-Malformed-Upgrade-Header

CVE-2026-1010 – WebSocket Connection Smuggling Overview A reverse proxy and backend disagree on how to parse an HTTP request with a malformed WebSocket upgrade header. The proxy treats it as one request, while the backend interprets it as two, allowing an attacker to smuggle a hidden request. Thi...