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    2 vulnerabilities found for aiven-operator by aiven

    CVE-2026-39961 (GCVE-0-2026-39961)

    Vulnerability from nvd – Published: 2026-04-09 17:14 – Updated: 2026-04-10 14:08
    VLAI
    Title
    Aiven Operator has cross-namespace secret exfiltration via ClickhouseUser connInfoSecretSource
    Summary
    Aiven Operator allows you to provision and manage Aiven Services from your Kubernetes cluster. From 0.31.0 to before 0.37.0, a developer with create permission on ClickhouseUser CRDs in their own namespace can exfiltrate secrets from any other namespace — production database credentials, API keys, service tokens — with a single kubectl apply. The operator reads the victim's secret using its ClusterRole and writes the password into a new secret in the attacker's namespace. The operator acts as a confused deputy: its ServiceAccount has cluster-wide secret read/write (aiven-operator-role ClusterRole), and it trusts user-supplied namespace values in spec.connInfoSecretSource.namespace without validation. No admission webhook enforces this boundary — the ServiceUser webhook returns nil, and no ClickhouseUser webhook exists. This vulnerability is fixed in 0.37.0.
    Severity
    6.8 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    • CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
    Assigner
    References
    Impacted products
    Vendor Product Version
    aiven aiven-operator Affected: < 0.37.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-39961 (GCVE-0-2026-39961)

    Vulnerability from cvelistv5 – Published: 2026-04-09 17:14 – Updated: 2026-04-10 14:08
    VLAI
    Title
    Aiven Operator has cross-namespace secret exfiltration via ClickhouseUser connInfoSecretSource
    Summary
    Aiven Operator allows you to provision and manage Aiven Services from your Kubernetes cluster. From 0.31.0 to before 0.37.0, a developer with create permission on ClickhouseUser CRDs in their own namespace can exfiltrate secrets from any other namespace — production database credentials, API keys, service tokens — with a single kubectl apply. The operator reads the victim's secret using its ClusterRole and writes the password into a new secret in the attacker's namespace. The operator acts as a confused deputy: its ServiceAccount has cluster-wide secret read/write (aiven-operator-role ClusterRole), and it trusts user-supplied namespace values in spec.connInfoSecretSource.namespace without validation. No admission webhook enforces this boundary — the ServiceUser webhook returns nil, and no ClickhouseUser webhook exists. This vulnerability is fixed in 0.37.0.
    Severity
    6.8 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    • CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
    Assigner
    References
    Impacted products
    Vendor Product Version
    aiven aiven-operator Affected: < 0.37.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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