CVE-2026-49332

{"id": "CVE-2026-49332", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49332", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-28T13:02:35.727357Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 3.1}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/a:redhat:openshift:4.12::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.12", "versions": [{"status": "unaffected", "version": "1786458704", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy", "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": "1786477436", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy", "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": "1785549818", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy", "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": "1787054100", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-rhel9", "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": "1785544039", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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": "1787543313", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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": "1785529735", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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": "1785521728", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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 4.2", "versions": [{"status": "unaffected", "version": "1785833742", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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": "1785851359", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-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": "1785885351", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift4/ose-oauth-proxy-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}]}], "published": "2026-07-28T13:18:46.067", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:50681", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:50758", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:51007", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:51013", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:51022", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:51025", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:51038", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54188", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54206", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:56912", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:60023", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-49332", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483253", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-436"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP frameworks normalize both variants to the same variable, allowing an authenticated low-privilege user to smuggle a forged identity that may override the legitimate authenticated identity in the upstream application."}], "lastModified": "2026-09-08T11:17:42.267", "sourceIdentifier": "secalert@redhat.com"}