CVE-2026-5058 CRITICAL

CVE-2026-5058: aws-mcp-server Command Injection Remote Code Execution Vulnerability

Vendor Aws-Mcp-Server
Product aws-mcp-server
Weakness CWE-78
Published April 11, 2026
Last update April 13, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 11, 2026 CVE published
April 13, 2026 Record updated