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    CVE-2026-82784

    Missing authentication for critical function vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. An attacker may execute a REST API without authentication, which could allow the attacker to retrieve I/O values and/or control the output.

    Published:Sep 14, 2026
    Last Modified:Sep 17, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00201
    CVSS Score:6.5

    Affected Products

    Vendor
    Contec
    Product
    Remote I/o Coupler Unit (server Type) Cpsn-mcb271-*

    Exploits

    No exploit reference

    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