What is CVE-2026-73268?

CVE-2026-73268 is a critical-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Code Injection. CVSS score: 9.9/10. Published 2026-08-12.

How severe is CVE-2026-73268?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Red Hat Multicluster Engine For Kubernetes

CVE-2026-73268

A flaw was found in the cluster-curator-controller component of multicluster engine (MCE). A tenant with create or update permissions on ClusterCurator resources can inject an arbitrary Job specification. This is possible because the Creat…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Red Hat Multicluster Engine For Kubernetes

Weakness classification (CWE)

CWE-94 — Code Injection

References

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

Frequently asked questions

What is CVE-2026-73268?: CVE-2026-73268 is a critical-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Code Injection. CVSS score: 9.9/10. Published 2026-08-12.
How severe is CVE-2026-73268?: Critical severity. CVSS v3 base score is 9.9 out of 10.