http proxy security

  1. CVE-2026-58055 nghttpx Request Smuggling: Upgrade + Content-Length Desync Risk

    CVE-2026-58055 is a newly published medium-severity vulnerability in nghttp2’s nghttpx proxy, disclosed on June 27, 2026, affecting versions through 1.69.0 and allowing HTTP request/response smuggling when an Upgrade request with Content-Length is forwarded to reusable backend connections. The...