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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)
Affected Products
VendorProductAffected VersionsCPESubscribe
AWSAmazon ECS Agent 1.47.0 ~ 1.102.0 -
II. Public POCs for CVE-2026-7461
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III. Intelligence Information for CVE-2026-7461
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