CVE-2026-46579

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["cpe:/a:redhat:openshift:4.15::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.15", "versions": [{"status": "unaffected", "version": "1784580646", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.16::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.16", "versions": [{"status": "unaffected", "version": "1784331638", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.17::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.17", "versions": [{"status": "unaffected", "version": "1784321465", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "versions": [{"status": "unaffected", "version": "1783719377", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.19::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.19", "versions": [{"status": "unaffected", "version": "1783445642", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.20::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.20", "versions": [{"status": "unaffected", "version": "1781639027", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.21::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.21", "versions": [{"status": "unaffected", "version": "1781552170", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.22::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.22", "versions": [{"status": "unaffected", "version": "1781643967", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/a:redhat:openshift:4.12::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.12", "versions": [{"status": "unaffected", "version": "1784323891", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.13::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.13", "versions": [{"status": "unaffected", "version": "1784056734", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.14::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.14", "versions": [{"status": "unaffected", "version": "1784587649", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.15::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.15", "versions": [{"status": "unaffected", "version": "1784580646", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.16::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.16", "versions": [{"status": "unaffected", "version": "1784331638", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.17::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.17", "versions": [{"status": "unaffected", "version": "1784321465", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "versions": [{"status": "unaffected", "version": "1783719377", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.19::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.19", "versions": [{"status": "unaffected", "version": "1783445642", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.20::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.20", "versions": [{"status": "unaffected", "version": "1781639027", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.21::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.21", "versions": [{"status": "unaffected", "version": "1781552170", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.22::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.22", "versions": [{"status": "unaffected", "version": "1781643967", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-haproxy-router-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}]}], "published": "2026-05-29T11:16:17.050", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:27009", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27044", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27063", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37580", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:40022", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:40828", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43227", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43253", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43331", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47703", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47728", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-46579", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483181", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27009", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27044", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27063", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37580", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:40022", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:40828", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43227", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43253", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:43331", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47703", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:47728", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-46579", "tags": ["Vendor Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483181", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46579.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-287"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a result, backends relying on these headers for mutual TLS (Transport Layer Security) authentication can be bypassed, enabling the attacker to impersonate client certificate identities."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en el OpenShift Router. Cuando una Ruta tiene 'insecureEdgeTerminationPolicy' configurado en Allow, el frontend HTTP no elimina los encabezados 'X-SSL-Client-*' de las solicitudes entrantes. Esto permite a un atacante no autenticado enviar solicitudes HTTP en texto plano con encabezados 'X-SSL-Client-*' manipulados. Como resultado, los backends que dependen de estos encabezados para la autenticaci\u00f3n mutua TLS (Transport Layer Security) pueden ser eludidos, permitiendo al atacante suplantar identidades de certificados de cliente."}], "lastModified": "2026-09-10T13:20:19.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "932D137F-528B-4526-9A89-CD59FA1AB0FE"}, {"criteria": "cpe:2.3:a:redhat:openshift_router:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB6C1612-6A17-4F3B-B170-7C9F6028FBBB"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}