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    CVE-2026-55226

    When deploying only the Topic Operator or only the User Operator via the Kafka custom resource, the Entity Operator's ServiceAccount retains RBAC rights for both operators rather than scoping permissions to the one actually deployed. This allows the ServiceAccount to access KafkaUser custom resources and Secrets even when the User Operator is not deployed, or access KafkaTopic custom resources when the Topic Operator is not deployed, violating the principle of least privilege. There is no workaround for this issue. Fixed in Strimzi 1.0.1 and 1.1.0.

    Published:Jun 17, 2026
    Last Modified:Jun 24, 2026
    EPS:N/A
    EPSS Score:
    CVSS Score:5.4

    Affected Products

    Vendor
    Strimzi
    Product
    Kafka-operator

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-272 Least Privilege Violation

    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