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    CVE-2026-111358

    SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces' tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports.

    Published:Oct 15, 2026
    Last Modified:Oct 21, 2026
    EPS:Oct 15, 2026
    EPSS Score:0.0026
    CVSS Score:5.4

    Affected Products

    Vendor
    Mettle
    Product
    Sendportal

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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