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{"acknowledgement": "This issue was discovered by Jeremy Choi (Red Hat).", "bugzilla": {"description": "openshift/oauth-proxy: openshift/oauth-proxy: unauthenticated identity header injection on whitelisted paths", "id": "2483252", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483252"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-345", "details": ["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."], "mitigation": {"lang": "en:us", "value": "Review and minimize skip-auth-regex configurations. Add middleware in upstream applications to ignore X-Forwarded-User on unauthenticated paths."}, "name": "CVE-2026-49331", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-oauth-proxy", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-oauth-proxy-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-05T14:12:12Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-49331\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49331"], "threat_severity": "Moderate"}

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