Is CVE-2026-18953 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18953?

CVE-2026-18953 has a CVSS v3 severity of HIGH (8.6).

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CVE-2026-18953

Description

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.