KONG-GATEWAY-ENTERPRISE · CVE-2026-92441 · Infrastructure
FIX → 3.16.0.2 +1 ✓ verified
Kong Gateway Enterprise and Kong AI Gateway copy decoded CR and LF characters from the request path into the X-Forwarded-Prefix header on regex Routes. An attacker can inject HTTP headers and smuggle requests to the upstream service.
first public Nov 10, 2026 · 2 sources
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Teams running Kong Gateway Enterprise or Kong AI Gateway with regex-based Routes are exposed, because the flaw is in how the path is copied into X-Forwarded-Prefix. Deployments that use only plain-prefix Routes are not described as affected. The sources do not give the affected version ranges.
Not affected if no-regex-routes
Who cares api-gateway, kong, kong-ai-gateway
Upgrade to 3.16.0.2 +1
Kong Gateway Enterprise and Kong AI Gateway include decoded CR/LF characters from the request path in the X-Forwarded-Prefix header on regex Routes, allowing HTTP header injection and request smuggling to the upstream.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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3.16.0.23.15.0.7