How to Check if You're Affected by CVE-2026-26268 in Cursor (and What to Do)

Two flaws in Cursor, an AI code editor, could let a single, ordinary-looking prompt break out of the editor's safety sandbox and run any command on a developer's computer. There

<h1> MCP Security Vulnerabilities in 2026: What Every Agent Developer Must Know </h1> <p>The Model Context Protocol (MCP) has become the universal "USB-C port for AI applications"

<p>CVE-2026-5603 is a Critical command injection in <code>@elgentos/magento2-dev-mcp</code>, but the vulnerability pattern it represents shows up in community MCP servers

Open a repository in Cursor&nbsp;on Windows and, if a file named&nbsp;git.exe&nbsp;is sitting in the project root, Cursor runs it. No click, no approval dialog, no warning that