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 Kongβs 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
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