Advisory severityMedium6.4Red Hat Linux

Medium [CVE-2026-53718] Cross-namespace authorization bypass

This medium-severity Red Hat Linux advisory covers CVE-2026-53718; related products: Red Hat Connectivity Link 1.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-53718 Source published Sep 14, 2026Source updated Sep 14, 2026

VulniPulse record published Oct 1, 2026Record updated Oct 2, 2026

CVE-2026-53718

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Summary

Cross-namespace authorization bypass. Red Hat rates this moderate (CVSS 6.4).

Weakness: CWE-862.

Affected product named by the advisory: Red Hat Connectivity Link 1.

Affected versions

< 1.7.4
< 1.8.1

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

Fixed versions

1.7.4
1.8.1

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

No complete upstream workaround is available. Until a corrected build is installed, restrict untrusted users from creating HTTPRoutes with extension-managed custom backend references and audit cross-namespace references. The upstream fixes are 1.7.4 and 1.8.1.

Official advisory · high-confidence parse· fetched 8 days ago·verify at source

Discussion(0)

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