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Red HatCVE-2026-83589

Red Hat OpenShift Container Platform 4: open redirect

Medium6.1CVE-2026-83589 · Published Oct 1, 2026

A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter (`rd`) during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an arbitrary external website after authenticating. This open redirect can be leveraged to conduct phishing attacks or credential theft.

Red Hat advisory

Affected versions

PackageAffectedFixed in
Red Hat OpenShift Container Platform 4
Product
all versionsNo fix yet
all versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-601

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