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    CVE-2026-4433

    An SSH misconfigurations exists in Tenable OT that led to the potential exfiltration of socket, port, and service information via the ostunnel user and GatewayPorts. This could be used to potentially glean information about the underlying system and give an attacker information that could be used to attempt to compromise the host.

    Published:Mar 24, 2026
    Last Modified:Aug 18, 2026
    EPS:Mar 24, 2026
    EPSS Score:0.00247
    CVSS Score:4.3

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Tenable
    Product
    Operational Technology Exposure
    Vendor
    Tenable
    Product
    Tenable Operation Technology

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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