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.
- Score
- CVSS 3.1 8.8 High
- Status
- Analyzed - ff89ba41-3aa1-4d27-914a-91399e9639e5
- Published
- 2026-08-05
- Last modified
- 2026-10-23
- Weaknesses
- CWE-22
Affected products
References
- https://pypi.org/project/awslabs.aws-transform-mcp-server/0.1.5/
- https://aws.amazon.com/security/security-bulletins/2026-075-aws/
- https://github.com/awslabs/mcp/security/advisories/GHSA-66mr-jr63-2jgw
