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    2 vulnerabilities found for Cato Client for macOS by Cato Networks

    CVE-2026-19377 (GCVE-0-2026-19377)

    Vulnerability from nvd – Published: 2026-10-15 07:02 – Updated: 2026-10-15 14:22
    VLAI
    Title
    Improper certificate validation in Cato Client tunnel handshake
    Summary
    Improper certificate validation in the tunnel handshake in Cato Client allows a man-in-the-middle attacker to impersonate a Cato Point of Presence (PoP) server and intercept or modify tunnel traffic.
    Severity
    6 (Medium)
    CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-15 14:22 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    Cato CNA under the mitre root
    CNA scorecard – unranked: 4 records in the last 180 days, 10 needed details
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-19377 (GCVE-0-2026-19377)

    Vulnerability from cvelistv5 – Published: 2026-10-15 07:02 – Updated: 2026-10-15 14:22
    VLAI
    Title
    Improper certificate validation in Cato Client tunnel handshake
    Summary
    Improper certificate validation in the tunnel handshake in Cato Client allows a man-in-the-middle attacker to impersonate a Cato Point of Presence (PoP) server and intercept or modify tunnel traffic.
    Severity
    6 (Medium)
    CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-15 14:22 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    Cato CNA under the mitre root
    CNA scorecard – unranked: 4 records in the last 180 days, 10 needed details
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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