CVE Catalog

CVE-2026-110744

HighCVSS 7.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

21th percentile - higher than 21% of all known CVEs

Summary

The multicluster-global-hub-operator-bundle operator is configured with overly broad RBAC permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to escalate privileges and gain full administrative control over the cluster.

Risk Assessment

Compromise of the operator can lead to full cluster takeover, including data theft, configuration changes, and execution of arbitrary workloads. The risk is high in multi-tenant environments where the operator runs with broad permissions.

Recommendation

Restrict the operator's RBAC permissions to the minimum required and remove the ability to impersonate unused users, groups, and service accounts. Regularly audit roles and role bindings associated with the operator and protect its credentials.

Related vulnerabilities

Original NVD description (English source)

A flaw was found in multicluster-global-hub-operator-bundle. The operator is configured with overly broad role-based access control (RBAC) permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to achieve privilege escalation, gaining full administrative control over the cluster.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS