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line-desktop-mcp vulnerabilities

Vulnerabilities published for line-desktop-mcp in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-49357

    High · CVSS 8.8EPSS 0.56%Fix available

    Streamable HTTP mode exposes LINE Desktop read/send tools without MCP authentication

    Line Desktop MCP is a project that, while unaffiliated with the official line-bot-mcp-server, allows users to directly operate the LINE Desktop application on Windows or Mac via MCP. `line-desktop-mcp` supports a `--http-mode` Streamable HTTP transport for use with clients such as n8n. In this mode the server binds to `0.0.0.0` and exposes the MCP `/mcp` endpoint without an MCP-layer authentication check. Prior to version 1.1.2, any network client that can reach the port can initialize a session, list tools, and call tools that read LINE Desktop chat history or send LINE messages through the already logged-in desktop application. Version 1.1.

    line-desktop-mcpNode.js
    • Update to 1.1.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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