CVE-2026-18953

Improper limitation of a pathname to a restricted directory in the get_resource 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 products

Aws-Transform-Mcp-Server

Amazon Aws Transform Mcp Server

< 0.1.5

CVSS 3.1

8.8 HIGH

EPSS

0.1% (4th percentile)

Weakness

CWE-22

NVD status

Analyzed

Published

2026-08-05

Attack patterns

CAPEC-126