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    Dashboard / CVE / CVE-2026-91931

    CVE-2026-91931

    Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code on the Flowise server.

    Published:Sep 15, 2026
    Last Modified:Sep 17, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00629
    CVSS Score:8.5

    Affected Products

    Vendor
    Flowiseai
    Product
    Flowise

    Exploits

    No exploit reference

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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