CVE-2026-6338
HTTP request smuggling in Kong Enteprise Gateway
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-444 |
| Vendor | kong |
| Product | kong enterprise gateway |
| Published | Jun 11, 2026 |
| Last Updated | Jun 11, 2026 |
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Affected Versions
Kong / Kong Enterprise Gateway
3.4.0.0 < 3.4.3.27 3.10.0.0 < 3.10.0.12 3.11.0.0 < 3.11.0.12 3.12.0.0 < 3.12.0.7 3.13.0.0 < 3.13.0.5 3.14.0.0 < 3.14.0.4