CVE-2026-81849 - Path traversal in the aws:downloadContent plugin in amazon-ssm-agent

Ssm Agent ยท 2026-10-21

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Technical Details

Affected Versions 2.0.767.0 to 3.3.4364.0
Regions all
CVE IDs CVE-2026-81849
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update amazon-ssm-agent to version 3.3.4515.0 or later to address the path traversal vulnerability (CVE-2026-81849) and prevent potential security breaches.

For Platform Teams

Deploy the latest amazon-ssm-agent version 3.3.4515.0 across all instances to ensure security compliance and protect against the identified path traversal vulnerability.

For Executives

Implement the upgrade to amazon-ssm-agent version 3.3.4515.0 to mitigate the risk of arbitrary code execution due to the path traversal vulnerability identified as CVE-2026-81849.

Source

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