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CVE-2026-115845

5.3 medium Published
NVD · CVE.org

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.

Fix

Vendor advisories in the News 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 19:04
  2. First seenCVSS 5.3NVD modified 2026-10-23 19:23

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1