{"id":"CVE-2026-115845","revision":"075d184d709345c1b945a9a4f3b2ff2e","records":[{"revision":"075d184d709345c1b945a9a4f3b2ff2e","observedAt":"2026-10-23T20:48:20.645+00:00","statement":{"source":"cve-program","id":"CVE-2026-115845","aliases":[],"title":"Incomplete validation in the run_script Python sandbox in AWS MCP Server","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.\n\n\n\nAWS fixed this issue service-side. No customer action is required.","state":0,"publishedAt":"2026-10-23T19:04:44.79+00:00","modifiedAt":"2026-10-23T19:04:44.79+00:00","affected":[{"ecosystem":"Vendor product","name":"AWS MCP Server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"AWS\",\n                    \"product\": \"AWS MCP Server\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"N/A\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","score":6.4,"severity":"MEDIUM"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":5.3,"severity":"MEDIUM"}],"references":["https://aws.amazon.com/security/security-bulletins/2026-149-aws/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115845","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115845","identifiers":["CVE-2026-115845"]},"retained":false,"historicalAffected":[]}],"coverage":[]}