What is CVE-2026-49332?

CVE-2026-49332 is a high-severity vulnerability in Red Hat Openshift Container Platform 4, classified under CWE-436. CVSS score: 8.5/10. Published 2026-07-28.

How severe is CVE-2026-49332?

High severity. CVSS v3 base score is 8.5 out of 10.

Vulnerability in Red Hat Openshift Container Platform 4

CVE-2026-49332

A flaw was found in openshift/oauth-proxy. The proxy sets authenticated identity headers using only dash-variant keys (X-Forwarded-User) but does not strip underscore-variant keys (X_Forwarded_User) from incoming requests. WSGI and PHP fra…

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

Affected products

Red Hat Openshift Container Platform 4

Weakness classification (CWE)

CWE-436

References

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

Frequently asked questions

What is CVE-2026-49332?: CVE-2026-49332 is a high-severity vulnerability in Red Hat Openshift Container Platform 4, classified under CWE-436. CVSS score: 8.5/10. Published 2026-07-28.
How severe is CVE-2026-49332?: High severity. CVSS v3 base score is 8.5 out of 10.