CVE-2026-7461— OS Command Injection in Amazon ECS Agent via FSx Windows File Server Volume Credentials
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I. Basic Information for CVE-2026-7461
Vulnerability Information
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Vulnerability Title
OS Command Injection in Amazon ECS Agent via FSx Windows File Server Volume Credentials
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of inputs used in an OS command in the FSx Windows File Server volume mounting component in Amazon ECS Agent on Windows before version 1.103.0 might allow a remote authenticated threat actor to execute shell commands with SYSTEM privileges on the underlying host via a specially crafted username field in an ECS task definition. This issue requires permissions to register ECS task definitions or write to the Secrets Manager or SSM Parameter Store credentials used by the FSx volume configuration. To remediate this issue, users should upgrade to version 1.103.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Amazon ECS Container Agent 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon ECS Container Agent是Amazon Web Services开源的一个弹性容器服务代理软件。 Amazon ECS Container Agent 1.103.0之前版本存在操作系统命令注入漏洞，该漏洞源于FSx Windows File Server卷挂载组件中OS命令输入中和不当，可能导致远程认证攻击者通过特制用户名字段在底层主机上以SYSTEM权限执行shell命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AWS | Amazon ECS Agent | 1.47.0 ~ 1.102.0 | - |
II. Public POCs for CVE-2026-7461
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