{"id":"GHSA-fgmx-xfp3-w28p","summary":"aws-mcp has a Command Injection Remote Code Execution Vulnerability","details":"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.\n\nThe 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.","aliases":["CVE-2026-5059","PYSEC-2026-288"],"modified":"2026-06-29T12:26:23.117778833Z","published":"2026-04-11T03:30:30Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-04-14T23:42:39Z","nvd_published_at":"2026-04-11T01:16:18Z","cwe_ids":["CWE-78"],"severity":"CRITICAL"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5059"},{"type":"PACKAGE","url":"https://github.com/alexei-led/aws-mcp-server"},{"type":"WEB","url":"https://www.zerodayinitiative.com/advisories/ZDI-26-245"}],"affected":[{"package":{"name":"aws-mcp","ecosystem":"PyPI","purl":"pkg:pypi/aws-mcp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.7.0"}]}],"versions":["1.5.4","1.5.5","1.5.6","1.6.0","1.7.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-fgmx-xfp3-w28p/GHSA-fgmx-xfp3-w28p.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}