GHSA-fgmx-xfp3-w28p · Severity: critical · Ecosystem: pip — aws-mcp has a Command Injection Remote Code Execution Vulnerability
aws-mcp-server AWS CLI 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-27969.
Conclusion & alert: CVE-2026-5059 is rated High Risk (66.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.91%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.21% | 1.91% | +0.70% |
| 2 | 2026-06-06 | 1.32% | 1.21% | -0.12% |
| 3 | 2026-05-13 | — | 1.32% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-fgmx-xfp3-w28p · Severity: critical · Ecosystem: pip — aws-mcp has a Command Injection Remote Code Execution Vulnerability
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||