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

Api Mcp ยท 2026-07-23

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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 the awslabs.aws-api-mcp-server to version 1.3.47 and ensure any derivative code is patched to address the security policy bypass vulnerability identified as CVE-2026-16584.

For Platform Teams

Deploy the latest version of awslabs.aws-api-mcp-server to incorporate the fixes for the security policy bypass and maintain the integrity of security enforcement across AWS operations.

For Executives

Implement the upgrade to awslabs.aws-api-mcp-server version 1.3.47 to mitigate the security risk posed by CVE-2026-16584 and ensure the enforcement of security policies on AWS operations.

Source

View original AWS announcement โ†’

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