CVE-2026-6338

{"id": "CVE-2026-6338", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6338", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-11T14:22:42.512428Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "AUTOMATIC", "baseScore": 4.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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/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:A/V:X/RE:M/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb", "affectedData": [{"vendor": "Kong", "product": "Kong Enterprise Gateway", "versions": [{"status": "affected", "version": "3.4.0.0", "lessThan": "3.4.3.27", "versionType": "kong enteprise gateway 3.4"}, {"status": "affected", "version": "3.10.0.0", "lessThan": "3.10.0.12", "versionType": "kong enteprise gateway 3.10"}, {"status": "affected", "version": "3.11.0.0", "lessThan": "3.11.0.12", "versionType": "kong enteprise gateway 3.11"}, {"status": "affected", "version": "3.12.0.0", "lessThan": "3.12.0.7", "versionType": "kong enteprise gateway 3.12"}, {"status": "affected", "version": "3.13.0.0", "lessThan": "3.13.0.5", "versionType": "kong enteprise gateway 3.13"}, {"status": "affected", "version": "3.14.0.0", "lessThan": "3.14.0.4", "versionType": "kong enteprise gateway 3.14"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}]}], "published": "2026-06-11T14:16:32.553", "references": [{"url": "https://support.konghq.com/support/s/article/CVE-2026-6338", "source": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb", "description": [{"lang": "en", "value": "CWE-444"}]}], "descriptions": [{"lang": "en", "value": "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\u2019s HTTP request processing pipeline when handling untrusted HTTP/1.1 traffic."}], "lastModified": "2026-06-17T11:00:41.010", "sourceIdentifier": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb"}