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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-19078

Ose-oauth-server: oauth-server: open redirect vulnerability enables phishing via unvalidated parameter.

Description

A flaw was found in the oauth-server component. This open redirect vulnerability occurs when the 'then' parameter in the grant approval handler is not properly validated. A remote attacker can craft a malicious URL that, when approved or denied by an authenticated user, redirects them to an attacker-controlled website. This could enable phishing attacks, potentially tricking users into revealing sensitive information.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat OpenShift Container Platform 4

Default version status: affected

Red Hat Red Hat OpenShift Container Platform 4

Default version status: affected

References