Medium [CVE-2026-33215] Session and message hijacking via MQTT Client ID malfeasance
This medium-severity Red Hat Linux advisory covers CVE-2026-33215 affecting multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439.
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Summary
Session and message hijacking via MQTT Client ID malfeasance. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-290. 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 Enterprise Linux.
- 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
- RHSA-2026:21769
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- 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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