What is CVE-2026-19078?

CVE-2026-19078 is a medium-severity vulnerability in Red Hat Openshift Container Platform 4, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-08-11.

How severe is CVE-2026-19078?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Red Hat Openshift Container Platform 4

CVE-2026-19078

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 d…

Vulnerability class: Open Redirect

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Red Hat Openshift Container Platform 4

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-19078?: CVE-2026-19078 is a medium-severity vulnerability in Red Hat Openshift Container Platform 4, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-08-11.
How severe is CVE-2026-19078?: Medium severity. CVSS v3 base score is 4.3 out of 10.