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    CVE-2026-109461

    Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.

    Published:Oct 16, 2026
    Last Modified:Oct 26, 2026
    EPS:Oct 16, 2026
    EPSS Score:0.00361
    CVSS Score:5.9

    Affected Products

    Vendor
    Microsoft
    Product
    Microsoft Authentication Library For Node.js
    Vendor
    Microsoft
    Product
    Microsoft Identity Client For Nodejs

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    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