High7.5Vendor: MediumRed Hat Linux

High [CVE-2026-27571] WebSockets pre-auth memory DoS

This high-severity Red Hat Linux advisory covers CVE-2026-27571 affecting multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650060, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650767, Red Hat Enterprise Linux.

CVE-2026-27571 Published Feb 24, 2026

CVE-2026-27571

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

WebSockets pre-auth memory DoS. Red Hat rates this moderate (CVSS 7.5).

Weakness: CWE-770. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650060, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650767.

Resolved in Red Hat advisory RHSA-2026:6226 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux.

Affected versions

multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650060
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1773650767

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

Fixed versions

RHSA-2026:6226

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-2026:6226 (`sudo dnf update` / `yum update`).

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

Discussion(0)

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