CVE-2026-115845
MEDIUM
NVD
CVSS Score
6.4
Severity
MEDIUM
Published
Oct 23, 2026
Vendor
unknown
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.