Vulnerabilities

Improper limitation of a pathname to a restricted directory in the deployment status component of the AWS Serverless MCP Server…

Improper limitation of a pathname to a restricted directory in the deployment status component of the AWS Serverless MCP Server (aws-serverless-mcp-server) before v0.2.1 might allow an actor who can influence the MCP agent to read the contents of JSON files outside the intended deployment status directory. Where write access has been enabled, to create or overwrite JSON files outside that directory. This issue is reachable through directory traversal sequences or an absolute path supplied in the project name input. To remediate this issue, users should upgrade to version v0.2.1.

Read at NIST National Vulnerability Database (CVE API 2.0)

Vendor

AWS

Product

aws-serverless-mcp-server

CVSS v3.1

6.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Fix

available

Weakness

CWE-23, CWE-36

Exposure class

AI infrastructure

NVD status

Received

• NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
• CVE-2026-116635 on this site · NVD · CVE.org · Vulnpedia

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1. 40
   AWS bulletin AWS 3h ago

   CVE-2026-116635 - Improper limitation of a pathname to a restricted directory in the deployment status component of the AWS Serverless MCP Server

   CVE-2026-116635 Amazon Web Services Anthropic