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    CVE-2026-44392

    Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.

    Published:May 20, 2026
    Last Modified:May 20, 2026
    EPS:May 20, 2026
    EPSS Score:0.00027
    CVSS Score:4.3

    Affected Products

    Vendor
    Six Apart
    Product
    Movable Type
    Vendor
    Six Apart
    Product
    Movable Type Advanced
    Vendor
    Six Apart
    Product
    Movable Type Premium
    Vendor
    Six Apart
    Product
    Movable Type Premium Advanced Edition

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

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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