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    CVE-2026-16242

    A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. A remote attacker who can reach the Konnectivity cluster endpoint could connect as an unauthenticated agent, join the routing pool, and potentially proxy, inspect, modify, or drop control-plane-to-node traffic.

    Published:Jul 17, 2026
    Last Modified:Aug 26, 2026
    EPS:Jul 20, 2026
    EPSS Score:0.00798
    CVSS Score:9.4

    Affected Products

    Vendor
    Redhat
    Product
    Acm
    Vendor
    Redhat
    Product
    Advanced Cluster Management For Kubernetes
    Vendor
    Redhat
    Product
    Logging
    Vendor
    Redhat
    Product
    Logging Subsystem For Red Hat Openshift
    Vendor
    Redhat
    Product
    Multicluster Engine
    Vendor
    Redhat
    Product
    Multicluster Engine For Kubernetes
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Api Data Protection
    Vendor
    Redhat
    Product
    Openshift Api For Data Protection
    Vendor
    Redhat
    Product
    Openshift Container Platform

    Exploits

    No exploit reference

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    References

    https://access.redhat.com/errata/RHSA-2026:46885
    https://access.redhat.com/errata/RHSA-2026:47388
    https://access.redhat.com/errata/RHSA-2026:47728
    https://access.redhat.com/errata/RHSA-2026:47735
    https://access.redhat.com/errata/RHSA-2026:47949
    https://access.redhat.com/errata/RHSA-2026:47953
    https://access.redhat.com/errata/RHSA-2026:47974
    https://access.redhat.com/errata/RHSA-2026:48284
    https://access.redhat.com/errata/RHSA-2026:48657
    https://access.redhat.com/errata/RHSA-2026:48670
    https://access.redhat.com/errata/RHSA-2026:48676
    https://access.redhat.com/errata/RHSA-2026:48693
    https://access.redhat.com/errata/RHSA-2026:48699
    https://access.redhat.com/errata/RHSA-2026:50758
    https://access.redhat.com/errata/RHSA-2026:56789
    https://access.redhat.com/errata/RHSA-2026:56912
    https://access.redhat.com/security/cve/CVE-2026-16242
    https://bugzilla.redhat.com/show_bug.cgi?id=2502690
    https://github.com/openshift/hypershift/pull/9031

    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