CVE 4.9 MEDIUM

HTTP request smuggling in Kong Enteprise Gateway_CVE-2026-6338

4.9 / 10
MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:P/R:A/RE:M

Description

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.

Basic Information

ID CVE-2026-6338
Source Kong
Published Jun 11, 2026 at 13:47

Affected Product

Vendor Kong
Product Kong Enterprise Gateway
Version 3.4.0.0
Affected Versions Kong Kong Enterprise Gateway 3.4.0.0
Kong Kong Enterprise Gateway 3.10.0.0
Kong Kong Enterprise Gateway 3.11.0.0
Kong Kong Enterprise Gateway 3.12.0.0
Kong Kong Enterprise Gateway 3.13.0.0
Kong Kong Enterprise Gateway 3.14.0.0

CWE Classification

References

πŸ’­ Join the Security Discussion

πŸ”’ Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.