CVE-2026-18953: Improper limitation of a pathname to a restricted directory in aws-transform-mcp-server

Published Aug 5, 2026
·
Updated

Improper limitation of a pathname to a restricted directory in the getresource tool in Amazon awslabs.aws-transform-mcp-server 0.1.0 through 0.1.4 might allow a context-dependent actor to write arbitrary files outside the intended working directory via the savePath parameter.

To remediate this issue, users should upgrade to version 0.1.5 or later.

Affected Software

1 affected component
aws-transform-mcp-server/get_resource>=0.1.0<0.1.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Amazon awslabs.aws-transform-mcp-server to a version that resolves this vulnerability.

    Fixed in 0.1.5

Event History

Aug 5, 2026
CVE Published
via MITRE·07:33 PM
Data Sourced
via MITRE·07:33 PM
DescriptionSeverityWeakness
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CVE-2026-18953 - Improper limitation of a pathname to a restricted directory in aws-transform-mcp-server - SecAlerts