What is CVE-2026-73269?

CVE-2026-73269 is a critical-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2026-08-12.

How severe is CVE-2026-73269?

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

Privilege escalation in Red Hat Multicluster Engine For Kubernetes

CVE-2026-73269

A flaw was found in the cluster-curator-controller component. A local user, by creating a ClusterCurator resource with a specific naming convention, can trigger the creation of a cluster-scoped ClusterRoleBinding. This allows the user to e…

Vulnerability class: Privilege Escalation

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-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2026-73269?: CVE-2026-73269 is a critical-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2026-08-12.
How severe is CVE-2026-73269?: Critical severity. CVSS v3 base score is 9.9 out of 10.