Vulnerability in Red Hat Multicluster Global Hub

CVE-2026-71577

A flaw was found in multicluster-global-hub. During a ManagedClusterMigration, the system incorrectly grants all managed hubs read access to a shared communication topic. This allows a compromised managed hub to intercept and collect sensi…

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71577?
CVE-2026-71577 is a medium-severity vulnerability in Red Hat Multicluster Global Hub, classified under Insufficiently Protected Credentials. CVSS score: 6.3/10. Published 2026-08-10.
How severe is CVE-2026-71577?
Medium severity. CVSS v3 base score is 6.3 out of 10.