Privilege escalation in Red Hat Openshift Container Platform 4
CVE-2026-54099
A flaw was found in the Windows Machine Config Operator (WMCO) for Red Hat OpenShift Container Platform. The WICD CSR auto-approver validates that a Certificate Signing Request contains the organization system:wicd-nodes but does not rejec…
Vulnerability class: Privilege Escalation
EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2026-54099?
- CVE-2026-54099 is a high-severity vulnerability in Red Hat Openshift Container Platform 4, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-06-22.
- How severe is CVE-2026-54099?
- High severity. CVSS v3 base score is 8.8 out of 10.