mcp-server-semgrep/semgrep-rules/python/flask/security/audit/app-run-security-config.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: avoid_using_app_run_directly
  patterns:
  - pattern-not-inside: |
      if __name__ == '__main__':
        ...
  - pattern-not-inside: |
      def $X(...):
        ...
  - pattern: app.run(...)
  message: top-level app.run(...) is ignored by flask. Consider putting app.run(...) behind a guard, like
    inside a function
  metadata:
    cwe:
    - 'CWE-668: Exposure of Resource to Wrong Sphere'
    owasp:
    - A01:2021 - Broken Access Control
    category: security
    technology:
    - flask
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    subcategory:
    - vuln
    likelihood: LOW
    impact: MEDIUM
    confidence: MEDIUM
  languages: [python]
  severity: WARNING