mcp-server-semgrep/semgrep-rules/python/pyramid/audit/csrf-origin-check-disabled.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: pyramid-csrf-origin-check-disabled
  message: >-
    Origin check for the CSRF token is disabled for this view.
    This might represent a security risk if the CSRF storage policy is not known to be secure.
  metadata:
    cwe:
    - 'CWE-352: Cross-Site Request Forgery (CSRF)'
    owasp:
    - A01:2021 - Broken Access Control
    asvs:
      section: V4 Access Control
      control_id: 4.2.2 CSRF
      control_url: https://github.com/OWASP/ASVS/blob/master/4.0/en/0x12-V4-Access-Control.md#v42-operation-level-access-control
      version: '4'
    category: security
    technology:
    - pyramid
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    cwe2022-top25: true
    cwe2021-top25: true
    subcategory:
    - vuln
    likelihood: LOW
    impact: LOW
    confidence: MEDIUM
  severity: WARNING
  languages:
  - python
  patterns:
  - pattern-inside: |
      from pyramid.view import view_config
      ...
      @view_config(..., check_origin=$CHECK_ORIGIN, ...)
      def $VIEW(...):
        ...
  - pattern: $CHECK_ORIGIN
  - metavariable-comparison:
      metavariable: $CHECK_ORIGIN
      comparison: $CHECK_ORIGIN == False
  fix: |
    True