PT-2026-36165 · Aws · Amazon Ecs Agent

Sachin Patil · Published 2026-04-30 · Updated 2026-04-30 · CVE-2026-7461

Mitre

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-7461

Affected Products

Amazon Ecs Agent

References · 4

• https://github.com/aws/amazon-ecs-agent/releases/tag/v1.103.0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7461 · Security Note
• https://aws.amazon.com/security/security-bulletins/2026-024-aws · Vendor Advisory
• https://github.com/aws/amazon-ecs-agent/security/advisories/GHSA-fc67-c4hg-q653 · Note