CVE-2026-7730 — Command Injection

title: CVE-2026-7730 - MCP Interface Command Injection via child_process.spawn
id: scw-2026-05-04-ai-1
status: experimental
level: high
description: |
  Detects the execution of the privsim mcp-test-runner 0.2.0 using node.js, specifically targeting the vulnerable function child_process.spawn in src/index.ts. This rule aims to identify potential exploitation attempts of CVE-2026-7730 by looking for the specific file path and the presence of 'spawn' in the command line, indicative of the vulnerable function call.
author: SCW Feed Engine (AI-generated)
date: 2026-05-04
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7730/
tags:
  - attack.execution
  - attack.t1059.004
logsource:
    category: process_creation
detection:
  selection:
      Image|startswith:
          - 'C:\path\to
  ode.exe'
      CommandLine|contains:
          - 'spawn'
          - 'src/index.ts'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse