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    CVE-2026-66878

    A flaw was found in multicloud-operators-subscription. A privileged user, specifically a namespace administrator capable of creating Channel and Subscription resources, can exploit this vulnerability. By manipulating the Channel.Spec.SecretRef.Namespace field, the user can cause the system to copy sensitive Secret contents from other namespaces into their own, leading to information disclosure.

    Published:Aug 11, 2026
    Last Modified:Aug 27, 2026
    EPS:Aug 12, 2026
    EPSS Score:0.00212
    CVSS Score:7.7

    Affected Products

    Vendor
    Redhat
    Product
    Acm
    Vendor
    Redhat
    Product
    Advanced Cluster Management For Kubernetes

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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