{"id":"CVE-2026-5059","state":"PUBLISHED","title":"aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability","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.","publishedAt":"2026-04-11T00:15:02.920Z","updatedAt":"2026-04-13T17:30:38.053Z","severity":{"score":9.8,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"zdi"},"assigner":"zdi","products":["aws-mcp-server aws-mcp-server"],"affected":[{"vendor":"aws-mcp-server","product":"aws-mcp-server","defaultStatus":"unknown","versions":[{"version":"1.3.0","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-26-245/"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5059.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5059","state":"PUBLISHED","datePublished":"2026-04-11T00:15:02.920Z","dateUpdated":"2026-04-13T17:30:38.053Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2026-03-27T18:10:12.060Z"},"containers":{"cna":{"title":"aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"aws-mcp-server","product":"aws-mcp-server","defaultStatus":"unknown","versions":[{"version":"1.3.0","status":"affected"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-245/","name":"ZDI-26-245","tags":["x_research-advisory"]}],"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2026-04-11T00:15:02.920Z"},"dateAssigned":"2026-03-27T18:10:12.085Z","datePublic":"2026-03-30T18:01:51.011Z","source":{"lang":"en","value":"Alfredo Oliveira and David Fiser of Trend Research"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-13T17:27:51.909223Z","id":"CVE-2026-5059","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-13T17:30:38.053Z"}}]}}}