CVE-2026-5058
Critical · 9.8CVSS
9.8
EPSS
2.3%
Published
Apr 11, 2026
CISA due date
—
The record
aws-mcp-server 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-27968.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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