Vulnerability in Kong Enterprise Gateway

CVE-2026-6338

A HTTP request smuggling and desynchronization vulnerability affects Kong Gateway Enterprise 3.4, 3.10, 3.11, 3.12, 3.13, and 3.14 series. The vulnerability is caused by a parsing flaw in Kong’s HTTP request processing pipeline when handling untrusted HTTP/1.1 traffic.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.003 (16.7th percentile) — read the EPSS interpretation.