CVE-2026-115845 An incomplete list of disallowed inputs in the Python code validator of the run_script tool in AWS MCP Server might…

Description

An incomplete list of disallowed inputs in the Python code validator of the run_script tool in AWS MCP Server might allow an authenticated remote user to execute arbitrary code within their own isolated session environment via a crafted script. AWS fixed this issue service-side. No customer action is required.

Affected products and versions