High [CVE-2026-84394] Host confusion via unbalanced URI brackets can bypass security policies
This high-severity Red Hat Linux advisory covers CVE-2026-84394 affecting Migration Toolkit for Applications 8, Migration Toolkit for Containers, Multicluster Engine for Kubernetes.
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Summary
Host confusion via unbalanced URI brackets can bypass security policies. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-1289.
Affected products named by the advisory: Migration Toolkit for Applications 8; Migration Toolkit for Containers; Multicluster Engine for Kubernetes; Network Observability Operator; and 30 more.
Affected products named by the advisory: OpenShift Lightspeed; OpenShift Pipelines; OpenShift Serverless; Red Hat Advanced Cluster Management for Kubernetes 2; and 26 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour 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 · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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