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CVE-2026-83589 Oauth-proxy: open redirect via /\ and /\t bypass in post-login redirect

🗓️ 01 Oct 2026 09:17:43Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Remote open redirect in oauth-proxy via post-login `rd` parameter validation bypass.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-83589
1 Oct 202609:17
–cve
euvd
EUVD
EUVD-2026-90589
1 Oct 202609:17
–euvd
nvd
NVD
CVE-2026-83589
1 Oct 202610:17
–nvd
ptsecurity
Positive Technologies
PT-2026-103760
1 Oct 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-83589
1 Sep 202614:38
–redhatcve
[
  {
    "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"
    ]
  }
]

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