Microsoft's Notepad introduced new AI and Markdown features that created a critical security vulnerability (CVE-2026-20841). This flaw allows remote code execution through malicious Markdown files, affecting users of the modern Notepad app on Windows 10 and 11. Immediate updates and precautions are necessary to mitigate risks.

Markdown Ninja simplifies the process of publishing Markdown-based websites and newsletters with a straightforward command using Docker, eliminating the need for complex setups. Users can easily publish their content while ensuring security and trust through responsible disclosure channels. Documentation is readily available for both usage and development.