{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46579", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-05-28T06:07:06.526Z", "datePublished": "2026-05-29T09:50:44.351Z", "dateUpdated": "2026-09-10T12:04:47.655Z"}, "containers": {"cna": {"title": "Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "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."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.12", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router", "defaultStatus": "affected", "versions": [{"version": "1784323891", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.12::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.13", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router", "defaultStatus": "affected", "versions": [{"version": "1784056734", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.13::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.14", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router", "defaultStatus": "affected", "versions": [{"version": "1784587649", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.14::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.15", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router", "defaultStatus": "affected", "versions": [{"version": "1784580646", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.15::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.16", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1784331638", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.16::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.17", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1784321465", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.17::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1783719377", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.18::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.19", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1783445642", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.19::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.20", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1781639027", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.20::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.21", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1781552170", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.21::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "openshift4/ose-haproxy-router-rhel9", "defaultStatus": "affected", "versions": [{"version": "1781643967", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift:4.22::el9"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:27009", "name": "RHSA-2026:27009", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:27044", "name": "RHSA-2026:27044", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:27063", "name": "RHSA-2026:27063", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:37580", "name": "RHSA-2026:37580", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:40022", "name": "RHSA-2026:40022", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:40828", "name": "RHSA-2026:40828", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:43227", "name": "RHSA-2026:43227", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:43253", "name": "RHSA-2026:43253", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:43331", "name": "RHSA-2026:43331", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:47703", "name": "RHSA-2026:47703", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:47728", "name": "RHSA-2026:47728", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-46579", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483181", "name": "RHBZ#2483181", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-04-17T20:10:23.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "Improper Authentication", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-287: Improper Authentication", "timeline": [{"lang": "en", "time": "2026-04-17T20:10:23.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-04-17T20:10:23.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Ricardo Pchevuzinske Katz (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-09T14:17:11.292Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-29T13:16:55.280769Z", "id": "CVE-2026-46579", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T13:17:06.236Z"}}, {"affected": [{"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.12::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router", "product": "Red Hat OpenShift Container Platform 4.12", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784323891", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.13::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router", "product": "Red Hat OpenShift Container Platform 4.13", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784056734", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.14::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router", "product": "Red Hat OpenShift Container Platform 4.14", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784587649", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.15::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router", "product": "Red Hat OpenShift Container Platform 4.15", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784580646", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.16::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.16", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784331638", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.17::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.17", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784321465", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.18", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1783719377", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.19::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.19", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1783445642", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.20::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.20", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1781639027", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.21::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.21", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1781552170", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift:4.22::el9"], "defaultStatus": "affected", "packageName": "openshift4/ose-haproxy-router-rhel9", "product": "Red Hat OpenShift Container Platform 4.22", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1781643967", "versionType": "rpm"}]}], "datePublic": "2026-04-17T20:10:23.000Z", "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."}], "metrics": [{"other": {"content": {"namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "Improper Authentication", "lang": "en", "type": "CWE"}]}], "references": [{"tags": ["vdb-entry", "x_refsource_REDHAT"], "url": "https://access.redhat.com/security/cve/CVE-2026-46579"}, {"name": "RHBZ#2483181", "tags": ["issue-tracking", "x_refsource_REDHAT"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483181"}, {"tags": ["x_sadp-csaf-vex"], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46579.json"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:47703"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:40022"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:43253"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:43227"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:43331"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:47728"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:40828"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:37580"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:27063"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:27044"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:27009"}], "solutions": [{"lang": "en", "value": "RHSA-2026:47703: Red Hat OpenShift Container Platform 4.12"}, {"lang": "en", "value": "RHSA-2026:40022: Red Hat OpenShift Container Platform 4.13"}, {"lang": "en", "value": "RHSA-2026:43253: Red Hat OpenShift Container Platform 4.14"}, {"lang": "en", "value": "RHSA-2026:43227: Red Hat OpenShift Container Platform 4.15"}, {"lang": "en", "value": "RHSA-2026:43331: Red Hat OpenShift Container Platform 4.16"}, {"lang": "en", "value": "RHSA-2026:47728: Red Hat OpenShift Container Platform 4.17"}, {"lang": "en", "value": "RHSA-2026:40828: Red Hat OpenShift Container Platform 4.18"}, {"lang": "en", "value": "RHSA-2026:37580: Red Hat OpenShift Container Platform 4.19"}, {"lang": "en", "value": "RHSA-2026:27063: Red Hat OpenShift Container Platform 4.20"}, {"lang": "en", "value": "RHSA-2026:27044: Red Hat OpenShift Container Platform 4.21"}, {"lang": "en", "value": "RHSA-2026:27009: Red Hat OpenShift Container Platform 4.22"}], "timeline": [{"lang": "en", "time": "2026-04-17T20:10:23.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-04-17T20:10:23.000Z", "value": "Made public."}], "title": "openshift/router: openshift/router: mTLS client certificate spoofing via unstripped X-SSL-Client headers on HTTP frontend", "x_adpType": "supplier", "x_generator": {"engine": "sadp-cli 1.0.0"}, "providerMetadata": {"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-09-10T12:04:47.655Z"}}]}}
CVE record
NVD configurations
Red Hat packages
No data
OpenCVE enrichment
