CVE-2026-16584 - AWS API MCP Server Security Policy Bypass via Startup Failure

Api Mcp ยท 2026-10-19

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Technical Details

Affected Versions >= 0.2.13 AND < 1.3.47
Regions all
CVE IDs CVE-2026-16584
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update awslabs.aws-api-mcp-server to version 1.3.47 to address the security vulnerability CVE-2026-16584, ensuring that security policies are correctly enforced on server startup.

For Platform Teams

Deploy the updated awslabs.aws-api-mcp-server version 1.3.47 across the platform to ensure consistent security policy enforcement and reduce the risk of unauthorized AWS operations.

For Executives

Implement the latest version of awslabs.aws-api-mcp-server to mitigate the security risk associated with CVE-2026-16584, ensuring policy enforcement integrity and reducing potential security breaches.

Source

View original AWS announcement โ†’

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