{"cve":"CVE-2026-5059","nvd":{"published":"2026-04-11T01:16:18.293","modified":"2026-06-17T10:58:22.543","status":"Awaiting Analysis","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78"],"references":["https://www.zerodayinitiative.com/advisories/ZDI-26-245/"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-5059","score":0.01908,"percentile":0.79762,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fgmx-xfp3-w28p","url":"https://osv.dev/vulnerability/GHSA-fgmx-xfp3-w28p","summary":"aws-mcp has a Command Injection Remote Code Execution Vulnerability","modified":"2026-10-27T15:30:05.495099034Z","packages":[{"ecosystem":"PyPI","name":"aws-mcp","purl":"pkg:pypi/aws-mcp","ranges":["<=1.7.0"],"fixed":[]}]},{"id":"PYSEC-2026-288","url":"https://osv.dev/vulnerability/PYSEC-2026-288","summary":"aws-mcp has a Command Injection Remote Code Execution Vulnerability","modified":"2026-07-01T20:22:49.598545Z","packages":[{"ecosystem":"PyPI","name":"aws-mcp","purl":"pkg:pypi/aws-mcp","ranges":["<=1.7.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}