What is GHSA-jmwp-36mq-x645?

GHSA-jmwp-36mq-x645 is a security advisory published by GitHub Security Advisories with Medium severity. An incomplete list of disallowed inputs in the Python code validator of the run_script tool in...

Which CVE IDs does GHSA-jmwp-36mq-x645 cover?

GHSA-jmwp-36mq-x645 covers the following CVE IDs: CVE-2026-115845. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jmwp-36mq-x645?

GHSA-jmwp-36mq-x645 has a CVSS v3 base score of 6.4, published by GitHub Security Advisories.

GHSA-jmwp-36mq-x645MediumCVSS 6.4

An incomplete list of disallowed inputs in the Python code validator of the run_script tool in...

Vendor

GitHub Security Advisories

Published

October 23, 2026

Last Modified

October 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-115845 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-115845
https://aws.amazon.com/security/security-bulletins/2026-149-aws
https://github.com/advisories/GHSA-jmwp-36mq-x645