{"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":"2026-09-08T14:21:55.816Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T14:21:37.718183Z","id":"CVE-2026-19203","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-08T14:21:55.816Z"}}]}}