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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Amazon Ecs Container Agent | >= 1.47.0, < 1.103.0 |
Related Weaknesses (CWE)
References
- https://aws.amazon.com/security/security-bulletins/2026-024-aws/Vendor Advisory
- https://github.com/aws/amazon-ecs-agent/releases/tag/v1.103.0Release Notes
- https://github.com/aws/amazon-ecs-agent/security/advisories/GHSA-fc67-c4hg-q653Vendor Advisory
FAQ
What is CVE-2026-7461?
CVE-2026-7461 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 authenticate...
How severe is CVE-2026-7461?
CVE-2026-7461 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-7461?
Check the references section above for vendor advisories and patch information. Affected products include: Amazon Amazon Ecs Container Agent.