CVE-2025-53967 Remote Code Execution in Framelink Figma MCP Server

Imperva recently revealed a high-severity vulnerability (CVE-2025-53967) in the popular Framelink Figma MCP server, which has since been patched. This flaw allowed for remote code execution (RCE) by exploiting a design oversight in the server's fallback mechanism, posing risks to developer machines and connected networks. The Framelink Figma MCP, a third-party plug-in enabling Figma tools in AI code agents, gained popularity due to its early release ahead of the official Figma MCP Server. The vulnerability affected versions before 0.6.3, allowing unauthorized users to execute system commands via crafted HTTP POST requests. Imperva's timeline detailed their disclosure process and the subsequent patch release. The incident highlights the importance of vetting MCP servers due to their potential security risks, including supply chain compromises and API abuses. While MCP servers improve code security by enriching model context, their development often lacks mature security assessments, emphasizing the need for thorough scanning and monitoring. Organizations must balance risk tolerance and innovation when considering third-party MCP server use, recognizing that independently maintained projects like Framelink Figma MCP may require additional diligence in areas such as dependency management and security updates.

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