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CVE-2025-6514criticalCode execution2025-07-09

CVE-2025-6514: mcp-remote exposed to OS command injection via untrusted MCP server connections

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

01.

What it is

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

02.

How to check

  1. Affected: mcp-remote (npm) >= 0.0.5, < 0.1.16.
  2. Compare your installed version with the range above (command below).
03.

How to fix

  1. Upgrade mcp-remote to 0.1.16 or later.
npm ls mcp-remote
04.

Sources

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