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    2 vulnerabilities found for Clickhouse Datasource by Grafana

    CVE-2026-19854 (GCVE-0-2026-19854)

    Vulnerability from nvd – Published: 2026-08-27 16:35 – Updated: 2026-08-27 17:44
    VLAI
    Title
    CVE-2026-19854 CVE Record
    Summary
    When the ClickHouse plugin uses Native protocol (the default) with PDC or secure SOCKS, it asks for TLS but the connection library ignores that and talks to ClickHouse in the clear. Username, password, queries, and results can be read on the hop after the proxy. The server certificate is never checked, and a configured client certificate is not sent.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 17:44 UTC
    CWE
    • CWE-319 - Cleartext Transmission of Sensitive Information
    Assigner
    References
    Impacted products
    Vendor Product Version
    Grafana Clickhouse Datasource Affected: 3.1.0 , ≤ 4.20.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-14 19:31
    Show details on NVD website
    To clipboard 

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    CVE-2026-19854 (GCVE-0-2026-19854)

    Vulnerability from cvelistv5 – Published: 2026-08-27 16:35 – Updated: 2026-08-27 17:44
    VLAI
    Title
    CVE-2026-19854 CVE Record
    Summary
    When the ClickHouse plugin uses Native protocol (the default) with PDC or secure SOCKS, it asks for TLS but the connection library ignores that and talks to ClickHouse in the clear. Username, password, queries, and results can be read on the hop after the proxy. The server certificate is never checked, and a configured client certificate is not sent.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 17:44 UTC
    CWE
    • CWE-319 - Cleartext Transmission of Sensitive Information
    Assigner
    References
    Impacted products
    Vendor Product Version
    Grafana Clickhouse Datasource Affected: 3.1.0 , ≤ 4.20.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-14 19:31
    Show details on NVD website
    To clipboard 

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