CVE-2025-63603: Command Injection
A command injection vulnerability exists in the MCP Data Science Server's (reading-plus-ai/mcp-server-data-exploration) 0.1.6 in the safeeval() function (src/mcpserverds/server.py:108). The function uses Python's exec() to execute user-supplied scripts but fails to restrict the builtins dictionary in the globals parameter. When builtins is not explicitly defined, Python automatically provides access to all built-in functions including import, exec, eval, and open. This allows an attacker to execute arbitrary Python code with full system privileges, leading to complete system compromise. The vulnerability can be exploited by submitting a malicious script to the runscript tool, requiring no authentication or special privileges.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-63603?
CVE-2025-63603 is classified as a critical severity command injection vulnerability.
How do I fix CVE-2025-63603?
To mitigate CVE-2025-63603, update the MCP Data Science Server to the latest version where the vulnerability has been patched.
What functionality is affected by CVE-2025-63603?
CVE-2025-63603 affects the safe_eval() function in the MCP Data Science Server's script execution capabilities.
What might an attacker achieve using CVE-2025-63603?
An attacker exploiting CVE-2025-63603 could execute arbitrary Python code on the server due to the unrestricted use of exec().
Is CVE-2025-63603 being actively exploited?
As of now, there are no confirmed reports of active exploitation of CVE-2025-63603, but it remains a serious security risk.