Ghostwire

CVE-2026-5058: aws-mcp-server Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to...

CRITICAL CVSS 9.5 EPSS 1.01%

Published: April 11, 2026 | Last Modified: April 11, 2026

Description

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.

Ghostwire Analysis — What This Means Practically

Exploitation Probability (EPSS): Moderate — 1.01% (77th percentile)

Measurable exploitation probability. Should be patched in the normal vulnerability management cycle.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References