[ CVE-2026-83589 · Published 1 Oct 2026 ]
Vulnerability in Red Hat OpenShift Container Platform 4.18
CVSS 6.1
EPSS <1%No fix listed yet
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.