Red Hat OpenShift Container Platform oauth-server then redirect

Summaryinfo

A vulnerability was found in Red Hat OpenShift Container Platform. It has been classified as problematic. This issue affects some unknown processing of the component oauth-server. This manipulation of the argument then causes redirect. This vulnerability appears as CVE-2026-19078. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Red Hat OpenShift Container Platform (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block of the component oauth-server. The manipulation of the argument then with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. The summary by CVE is:

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.

It is possible to read the advisory at access.redhat.com. This vulnerability is known as CVE-2026-19078 since 08/06/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/11/2026). The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Virtualization Software

Vendor

• Red Hat

Name

• OpenShift Container Platform

License

• open-source

Website

• Vendor: https://www.redhat.com/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion