CVE-2026-19078
Ose-oauth-server: oauth-server: open redirect vulnerability enables phishing via unvalidated parameter.
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-601 |
| Vendor | red hat |
| Product | red hat openshift container platform 4 |
| Published | Aug 11, 2026 |
| Last Updated | Aug 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Red Hat / Red Hat OpenShift Container Platform 4
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
Credits
Red Hat would like to thank Khalil Lemtaffah (Nokia), Kien Pham (Ninh Thanh Cyber Security (NTCS)), and Ta Duc Thien (Ninh Thanh Cyber Security (NTCS)) for reporting this issue.