38% of MCP servers have no auth -- inside the OWASP MCP Top 10

The article you've summarized provides a comprehensive overview of the security challenges associated with Multi-Modal Conversational Protocols (MCP) in AI systems. Here are some key takeaways and insights from the content:

Key Vulnerabilities and Incidents

1. CVE-2026-30623 (STDIO RCE):

   • A command injection vulnerability affecting all official MCP SDKs.
   • Impact: 200K+ instances across 7,000+ public servers.
   • Proven exploits exist against multiple platforms.

2. Postmark-mcp npm Backdoor:

   • A malicious package mimicking a legitimate email MCP server.
   • Installed by developers who didn't verify the package name.
   • Exfiltrated environment variables on installation.

3. MCPoison / Cursor IDE (CVE-2025-54136):

   • Persistent code execution flaw in how Cursor handled MCP tool descriptions.
   • Poisoned tool descriptions survived across sessions.

4. Anthropic mcp-server-git RCE Chain:

   • Three chained vulnerabilities in Anthropic's official Git MCP server.
   • Released multiple CVEs from the

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