CVE-2026-6338
4.9
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Kong | Kong Enterprise Gateway | 3.4.0.0 < 3.4.3.27 | affected |
| Kong | Kong Enterprise Gateway | 3.10.0.0 < 3.10.0.12 | affected |
| Kong | Kong Enterprise Gateway | 3.11.0.0 < 3.11.0.12 | affected |
| Kong | Kong Enterprise Gateway | 3.12.0.0 < 3.12.0.7 | affected |
| Kong | Kong Enterprise Gateway | 3.13.0.0 < 3.13.0.5 | affected |
| Kong | Kong Enterprise Gateway | 3.14.0.0 < 3.14.0.4 | affected |
Weaknesses
- CWE-444: CWE-444 Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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