
CVE-2026-25904 The Pydantic-AI MCP Run Python tool configures the Deno sandbox with an overly permissive configuration that allows the underlying Python code to access the localhost… https://www.cve.org/CVERecord?id=CVE-2026-25904
Post summary
CVE-2026-25904 discloses a misconfiguration in Pydantic-AI MCP Run Python that permits local access via an overly permissive Deno sandbox.

