High8.6Red Hat Linux

High [CVE-2026-33216] Information disclosure of MQTT passwords through monitoring endpoints

This high-severity Red Hat Linux advisory covers CVE-2026-33216 affecting Red Hat multicluster global hub 1.4.3, Red Hat multicluster global hub 1.5.2, Red Hat multicluster global hub 1.4.4.

CVE-2026-33216 Published Mar 25, 2026

CVE-2026-33216

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Information disclosure of MQTT passwords through monitoring endpoints. Red Hat rates this important (CVSS 8.6).

Weakness: CWE-213. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439.

Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat multicluster global hub 1.4.3; Red Hat multicluster global hub 1.5.2; Red Hat multicluster global hub 1.4.4; Red Hat multicluster global hub 1.6.0; and 3 more.

Affected versions

multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:21769

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:21769 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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