io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...

io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...

CVE-2026-2332 HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used, similar to the "funky chunks" techniques outlined here: https://w4ke.info/2025/06/18/funky-chunks.html https://w4ke.info/2025/10/29/funky-chunks-2.html Jetty terminates chunk extension parsing...

CVE-2026-33870 Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fi...

Smuggling Requests with Chunked Extensions: A New HTTP Desync Trick

A new HTTP request smuggling technique was recently discovered, where attackers take advantage of inconsistent parsing behaviors between front-end proxy servers and back-end application servers. This attack technique leverages ambiguous request formatting to inject malicious secondary requests th...