{"id":"CVE-2026-49331","aliases":["EUVD-2026-53393","GHSA-6chj-7h9j-x3p6"],"status":"published","title":"Openshift/oauth-proxy: openshift/oauth-proxy: unauthenticated identity header injection on whitelisted paths","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00185,"percentile":0.08212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2026-08-05T14:40:45Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"red hat","product":"red hat openshift container platform 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","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49331"},{"url":"https://github.com/advisories/GHSA-6chj-7h9j-x3p6"}],"sources":{"cve":[{"id":"CVE-2026-49331","title":"Openshift/oauth-proxy: openshift/oauth-proxy: unauthenticated identity header injection on whitelisted paths","description":"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.","status":"published","published":"2026-08-05T14:40:45.147Z","modified":"2026-08-06T14:20:35.443Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T13:35:10.963527Z"}],"euvd":[{"id":"EUVD-2026-53393","description":"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.","status":"published","published":"2026-08-05T14:40:45Z","modified":"2026-08-06T14:20:35Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:08.553271Z"}],"ghsa":[{"id":"GHSA-6chj-7h9j-x3p6","title":"A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication (skip...","description":"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.","status":"published","published":"2026-08-05T18:31:36Z","modified":"2026-08-05T18:31:36Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:10:07.328501Z"}],"nvd":[{"id":"CVE-2026-49331","description":"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.","status":"published","published":"2026-08-05T16:16:57.33Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}