GHSA-fgmx-xfp3-w28p

aws-mcp has a Command Injection Remote Code Execution Vulnerability

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-5059

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	aws-mcp	<= 1.7.0	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the allowed commands list. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the MCP server. Was ZDI-CAN-27969.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2026-5059 advisory
https://github.com/alexei-led/aws-mcp-server package
https://github.com/pypa/advisory-database/tree/main/vulns/aws-mcp/PYSEC-2026-288.yaml web
https://pypi.org/project/aws-mcp web
https://www.zerodayinitiative.com/advisories/ZDI-26-245 web