CVE-2026-5059 — aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
aws-mcp-server / aws-mcp-server	affected 1.3.0

CWE

CWE-78

References

https://www.zerodayinitiative.com/advisories/ZDI-26-245/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.