{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49331", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-05-29T13:28:56.552Z", "datePublished": "2026-08-05T14:40:45.147Z", "dateUpdated": "2026-08-05T14:40:45.147Z"}, "containers": {"cna": {"title": "Openshift/oauth-proxy: openshift/oauth-proxy: unauthenticated identity header injection on whitelisted paths", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication (skip-auth-regex), the proxy forwards client-supplied identity headers (X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token) to the upstream application without stripping them. An unauthenticated attacker can inject forged identity headers on whitelisted paths."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift4/ose-oauth-proxy", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift:4"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift4/ose-oauth-proxy-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift:4"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-49331", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483252", "name": "RHBZ#2483252", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-05T14:12:12.958Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-345", "description": "Insufficient Verification of Data Authenticity", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-345: Insufficient Verification of Data Authenticity", "workarounds": [{"lang": "en", "value": "Review and minimize skip-auth-regex configurations. Add middleware in upstream applications to ignore X-Forwarded-User on unauthenticated paths."}], "timeline": [{"lang": "en", "time": "2026-04-17T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-05T14:12:12.958Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Jeremy Choi (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-05T14:40:45.147Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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