Security Advisory

CVE-2026-4270

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-16 16:07:53

Last updated 2026-03-16 18:17:17

Assigner AMZN

State PUBLISHED

Description

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions >= 0.2.14 and < 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To remediate this issue, users should upgrade to version 1.3.9.

← Browse all CVEs View on cve.org ↗