The Hacker News

Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials

MCP Python SDK flaw can let malicious servers redirect OAuth exchanges and steal credentials; fixes are in 1.30.0 and 2.2.0.

What to do if Claude's MCP shows 'Connection closed' — How to revert using --with "mcp<2" if the cause is mcp 2.0 (uvx/uv tool measurements)

This article is for those whose MCP servers configured in Claude Desktop or Claude Code stopped connecting one day after the end of July 2026. It targets Python-based servers launched with "command": ...
Arabian Post

MCP Python SDK patches high-risk OAuth credential flaw

Maintainers of the Model Context Protocol Python SDK have patched a high-severity OAuth weakness that could let a malicious MCP server steal authentication ...

Two items deprecated by OpenAI and Claude on the same day

On September 18, 2026, OpenAI's Python SDK v3.16.0 and Anthropic's Python SDK v1.7.0 were released on the same day. Both ...
Infosecurity Magazine

Secure Practices for Using MCP Servers: What You Need to Know

Explore how Model Context Protocol (MCP) is transforming AI-driven identity and security automation, and learn the best practices for mitigating risks ...