Medium [CVE-2026-19130] cross-namespace credential propagation via attacker-controlled copiedFrom labels bypasses authorization
This medium-severity Red Hat Linux advisory covers CVE-2026-19130 affecting Multicluster Engine for Kubernetes.
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Summary
cross-namespace credential propagation via attacker-controlled copiedFrom labels bypasses authorization. Red Hat rates this important (CVSS 5.8).
Weakness: CWE-639.
Affected product named by the advisory: Multicluster Engine for Kubernetes.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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