[ CVE-2026-115413 · Published 27 Oct 2026 ]
Vulnerability in aws-api-mcp-server
CVSS 7.8
EPSS <1%No fix listed yet
[ Description ]Official description
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 same identity provider. To remediate this issue, users should upgrade to version 1.6.0 and configure the expected token audience or client ID for the server.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.