CVE-2026-116635
Improper limitation of a pathname to a restricted directory in the deployment status component of the AWS Serverless MCP Server
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-23 CWE-36 |
| Vendor | aws |
| Product | aws-serverless-mcp-server |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
AWS / aws-serverless-mcp-server
0 < 0.2.1