CVE-2026-85078 sanic chunked trailer request smuggling allows hidden second request execution

Sanic is an opensource python web server/framework. In version 25.12.0, Sanic's core HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating zero chunk before reusing the keep-alive connection buffer. A remote unauthenticated client can place attacker-controll...

CVE-2026-85078

Sanic is an open-source Python web server/framework. In version 25.12.0 , its core HTTP/1.1 chunked-body handling fails to fully consume the trailer portion after the terminating zero chunk before reusing the keep-alive connection buffer. A remote unauthenticated client can place attacker-control...