CVE-2026-5059
aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability
CRITICAL 9.8EPSS 2.3%
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.
- Affected
- aws-mcp-server
- CVSS v3.0 TRENDMICRO
- 9.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 2.32% chance of exploitation in the next 30 days, 83rd percentile
- Published
- 2026-04-11
- Updated
- 2026-04-13
Proof-of-concept exploits (2)
- venom203020/CVE-2026-5059-poc0★ · 2026-04-16
- pwn0x000/CVE-2026-5059-poc0★ · 2026-04-16