CVE-2026-44546

The vulnerability (CVE-2026-44546) affects the Daphne web server prior to 4.2.2. It stems from a parser differential between Twisted and Autobahn: Twisted does not treat certain bytes (0x0b, 0x0c, 0x1c, 0x1d, 0x1e, 0x85) as header separators, while Autobahn decodes header values to str and calls ...

CVE-2026-44546 Header injection via WebSocket upgrade parser differential allows ASGI scope header spoofing

daphne before 4.2.2 reconstructs a raw HTTP request from Twisted's parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat \x0b, \x0c, \x1c, \x1d, \x1e, or \x85 as header line separators, but autobahn decodes header values to str and calls splitlines. An...

CVE-2026-44546

daphne before 4.2.2 reconstructs a raw HTTP request from Twisted's parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat \x0b, \x0c, \x1c, \x1d, \x1e, or \x85 as header line separators, but autobahn decodes header values to str and calls splitlines. An...

daphne 安全漏洞

Daphne is an open-source ASGI protocol server developed by Django, which supports HTTP, HTTP2, and WebSocket. Versions of Daphne prior to 4.2.2 contained security vulnerabilities. These vulnerabilities were due to differences in the parser, which could allow attackers to inject additional headers...