CVE Feed

    Dashboard / CVE / CVE-2026-19377

    CVE-2026-19377

    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.

    Published:Oct 15, 2026
    Last Modified:Oct 15, 2026
    EPS:Oct 15, 2026
    EPSS Score:0.00083
    CVSS Score:6

    Affected Products

    No affected product recorded yet

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    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