CVE-2026-7461: Amazon ECS Agent · OS Command Injection
Affects Amazon ECS AgentSource CVE Database V5
Not known to be exploited · CVSS 7.2 High · patch available : patch Amazon ECS Agent soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AWSAmazon ECS Agent | Affected
| Fixed in– |
GitHubaws/amazon-ecs-agentpkg:github/aws/amazon-ecs-agentOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
AWS has released Amazon ECS Agent version 1.103.0 which addresses this vulnerability. Users should upgrade to version 1.103.0 to remediate the issue. Since this is a cloud-hosted service component, AWS manages remediation for the cloud service side, but customers running the agent on Windows hosts must apply the update. No other mitigations are specified in the advisory.
Description
CVE-2026-7461 is a high-severity OS command injection vulnerability in the FSx Windows File Server volume mounting component of the Amazon ECS Agent on Windows versions before 1.103.0. It allows a remote authenticated attacker with permissions to register ECS task definitions or write to Secrets Manager or SSM Parameter Store credentials to execute shell commands with SYSTEM privileges on the host via a crafted username in an ECS task definition. AWS has released version 1.103.0 to remediate this issue.