AWS API MCP Server vulnerabilities

3 known vulnerabilities in AWS API MCP Server from AWS. 3 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  aws-api-mcp-server: Incorrect Authorization

  CVE-2026-125271Nov 10, 2026AWS

  Incorrect normalization of operation names in the custom security policy enforcement in awslabs aws-api-mcp-server before 1.5.1 might allow an actor to execute AWS API operations across AWS services that the operator's security policy was configured to deny or

• 7.8 High severity

  aws-api-mcp-server: Origin Validation Error

  CVE-2026-115413Oct 27, 2026AWS

  Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the sa

• 7.0 High severity

  aws-api-mcp-server: Non-exit on Failed Initialization

  CVE-2026-16584Jul 23, 2026AWS

  Improper handling of an initialization failure in AWS API MCP Server from 0.2.13 through 1.3.46 might allow an actor to bypass the user-configured security policy and execute AWS API operations that the policy was set to deny or gate. When initialization of th