Command Injection Vulnerability in AWS MCP Server by Amazon
CVE-2026-5059

9.8CRITICAL

Key Information:

Vendor

Aws-mcp-server

Status
Aws-mcp-server
Vendor
CVE Published:
11 April 2026

What is CVE-2026-5059?

A command injection vulnerability exists in the aws-mcp-server, allowing remote attackers to execute arbitrary code due to insufficient validation of user-supplied input before command execution. This flaw enables unauthorized access without the need for authentication, potentially compromising the server's integrity. Security measures should be implemented to patch this vulnerability to protect against potential exploitation.

Affected Version(s)

aws-mcp-server 1.3.0

References

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

CVSS V3.0

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.