mcp-server-semgrep/semgrep-rules/python/lang/security/unverified-ssl-context.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: unverified-ssl-context
  patterns:
  - pattern-either:
    - pattern: ssl._create_unverified_context(...)
    - pattern: ssl._create_default_https_context = ssl._create_unverified_context
  fix-regex:
    regex: _create_unverified_context
    replacement: create_default_context
  message: >-
    Unverified SSL context detected. This will permit insecure connections without
    verifying
    SSL certificates. Use 'ssl.create_default_context' instead.
  metadata:
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A07:2021 - Identification and Authentication Failures
    cwe:
    - 'CWE-295: Improper Certificate Validation'
    references:
    - https://docs.python.org/3/library/ssl.html#ssl-security
    - https://docs.python.org/3/library/http.client.html#http.client.HTTPSConnection
    category: security
    technology:
    - python
    subcategory:
    - audit
    likelihood: LOW
    impact: MEDIUM
    confidence: MEDIUM
  severity: ERROR
  languages:
  - python