{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19203", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2026-08-07T07:32:16.708Z", "datePublished": "2026-09-08T12:08:37.576Z", "dateUpdated": "2026-09-08T12:08:37.576Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-09-08T12:08:37.576Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-444", "description": "CWE-444 Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling')", "type": "CWE"}]}], "affected": [{"vendor": "Eclipse Foundation", "product": "Eclipse Jetty", "versions": [{"status": "affected", "version": "12.1.0", "lessThanOrEqual": "12.1.11", "versionType": "semver"}, {"status": "affected", "version": "12.0.0", "lessThanOrEqual": "12.0.37", "versionType": "semver"}, {"status": "affected", "version": "11.0.0", "lessThanOrEqual": "11.0.31", "versionType": "semver"}, {"status": "affected", "version": "10.0.0", "lessThanOrEqual": "10.0.31", "versionType": "semver"}, {"status": "affected", "version": "9.4.0", "lessThanOrEqual": "9.4.63", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary proxy to interpret different request boundaries, potentially resulting in HTTP request smuggling.\n\n\n\n\nThis is caused by Jetty accepting a lone LF character as a terminator in parts of chunked request parsing. Depending on the Jetty version and configured HTTP compliance mode, this may occur in chunk extensions, chunk data termination, or trailer termination.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary proxy to interpret different request boundaries, potentially resulting in HTTP request smuggling.</p>\n<p>This is caused by Jetty accepting a lone LF character as a terminator in parts of chunked request parsing. Depending on the Jetty version and configured HTTP compliance mode, this may occur in chunk extensions, chunk data termination, or trailer termination.</p>"}]}], "references": [{"url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-xc35-c22g-239h"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "https://github.com/yarocher", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Eclipse Jetty", "vendor": "Eclipse Foundation", "versions": [{"lessThanOrEqual": "12.1.11", "status": "affected", "version": "12.1.0", "versionType": "semver"}, {"lessThanOrEqual": "12.0.37", "status": "affected", "version": "12.0.0", "versionType": "semver"}, {"lessThanOrEqual": "11.0.31", "status": "affected", "version": "11.0.0", "versionType": "semver"}, {"lessThanOrEqual": "10.0.31", "status": "affected", "version": "10.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.4.63", "status": "affected", "version": "9.4.0", "versionType": "semver"}]}], "source": "emo@eclipse.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary proxy to interpret different request boundaries, potentially resulting in HTTP request smuggling.\n\n\n\n\nThis is caused by Jetty accepting a lone LF character as a terminator in parts of chunked request parsing. Depending on the Jetty version and configured HTTP compliance mode, this may occur in chunk extensions, chunk data termination, or trailer termination."}], "id": "CVE-2026-19203", "lastModified": "2026-09-08T13:17:18.520", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "emo@eclipse.org", "type": "Secondary"}]}, "published": "2026-09-08T13:17:18.520", "references": [{"source": "emo@eclipse.org", "url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-xc35-c22g-239h"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "emo@eclipse.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.1.0,12.1.11]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.0.0,12.0.37]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0,11.0.31]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.0.0,10.0.31]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.4.0,9.4.63]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Eclipse Jetty", "source": "cna", "vendor": "Eclipse Foundation"}, "product": "jetty", "vendor": "eclipse"}], "created": "2026-09-08T13:30:18.512730+00:00", "updated": "2026-09-08T13:30:18.512759+00:00", "vendors": ["eclipse", "eclipse$PRODUCT$jetty"]}