#VU124702 OS Command Injection in AWS MCP Server - CVE-2026-5059
Published: March 31, 2026
Vulnerability identifier: #VU124702
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-5059
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
AWS MCP Server
AWS MCP Server
Software vendor:
alexei-led
alexei-led
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the handling of the allowed commands list. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.