CVE-2026-28369

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[{"lang": "en", "value": "A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform request smuggling. Request smuggling allows an attacker to bypass security mechanisms, access restricted information, or manipulate web caches, potentially leading to unauthorized actions or data exposure."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Undertow. Cuando Undertow recibe una solicitud HTTP donde la primera l\u00ednea de la cabecera comienza con uno o m\u00e1s espacios, procesa incorrectamente la solicitud al eliminar estos espacios iniciales. Este comportamiento, que viola los est\u00e1ndares HTTP, puede ser explotado por un atacante remoto para realizar contrabando de solicitudes. El contrabando de solicitudes permite a un atacante eludir mecanismos de seguridad, acceder a informaci\u00f3n restringida o manipular cach\u00e9s web, lo que podr\u00eda llevar a acciones no autorizadas o exposici\u00f3n de datos."}], "id": "CVE-2026-28369", "lastModified": "2026-11-04T23:17:26.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.8, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28369", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-28T03:55:51.631071Z", "version": "2.0.3"}}]}, "published": "2026-03-27T17:16:28.240", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:25125"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:25126"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2026-28369"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2443262"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

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If exposed to the Internet, this provides a low\u2011but\u2011non\u2011negligible risk of data exposure or unauthorized intrusion via request smuggling."}}}}, "created": "2026-03-27T20:28:09.083093+00:00", "updated": "2026-03-31T20:01:04.996221+00:00", "vendors": ["redhat", "redhat$PRODUCT$build_of_apache_camel_-_hawtio", "redhat$PRODUCT$build_of_apache_camel_for_spring_boot", "redhat$PRODUCT$data_grid", "redhat$PRODUCT$enterprise_linux", "redhat$PRODUCT$fuse", "redhat$PRODUCT$jboss_enterprise_application_platform", "redhat$PRODUCT$jboss_enterprise_application_platform_expansion_pack", "redhat$PRODUCT$process_automation", "redhat$PRODUCT$red_hat_single_sign_on"]}