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    CVE-2026-4427

    Duplicate of CVE-2026-32286

    Published:Mar 18, 2026
    Last Modified:Mar 30, 2026
    EPS:Mar 19, 2026
    EPSS Score:0.00086
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Advanced Cluster Management For Kubernetes
    Vendor
    Redhat
    Product
    Advanced Cluster Security
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Multicluster Engine
    Vendor
    Redhat
    Product
    Multicluster Globalhub
    Vendor
    Redhat
    Product
    Openshift Ai
    Vendor
    Redhat
    Product
    Openshift Cluster Manager Cli
    Vendor
    Redhat
    Product
    Openshift Container Platform
    Vendor
    Redhat
    Product
    Openshift On Aws
    Vendor
    Redhat
    Product
    Quay 3
    Vendor
    Redhat
    Product
    Trusted Artifact Signer

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

    Related CVEs

    CVE-2026-73137 (CVSS 7.7) — A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management (RH…
    CVE-2026-67567 (CVSS 9.9) — A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who h…
    CVE-2026-66785 (CVSS 2.5) — A flaw was found in Submariner. This vulnerability allows a malicious cluster (spoke) to redirect network traf…
    CVE-2026-66787 (CVSS 5.4) — A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulne…
    CVE-2026-66788 (CVSS 3.7) — A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerabilit…
    CVE-2026-76827 (CVSS 6.8) — A flaw was found in search-indexer. This vulnerability allows a registered and authenticated managed cluster t…
    CVE-2026-76139 (CVSS 8) — A flaw was found in acm-operator-bundle. The build process for this component downloads and runs a script from…
    CVE-2026-18874 (CVSS 6.2) — A flaw was found in volsync-addon-controller. This vulnerability allows an attacker to inject malicious YAML (…
    CVE-2026-71470 (CVSS 9.1) — A flaw was found in the search-v2-operator. This vulnerability allows a privileged user, specifically a Custom…
    CVE-2026-70496 (CVSS 9.9) — A flaw was found in search-v2-operator. The operator's ClusterRole has permissions equivalent to a cluster adm…

    References

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High