Components Parameter Definition Is Unused

• Query id: 698a464e-bb3e-4ba8-ab5e-e6599b7644a0
• Query name: Components Parameter Definition Is Unused
• Platform: OpenAPI
• Severity: Info
• Category: Best Practices
• URL: Github

Description

Components parameters definitions should be referenced or removed from Open API definition
Documentation

Code samples

Code samples with security vulnerabilities

Postitive test num. 1 - json file

{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0"
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "$ref": "#/components/schemas/Success"
          }
        }
      }
    }
  },
  "components": {
    "parameters": {
      "limitParam": {
        "name": "limit",
        "in": "query",
        "description": "max records to return",
        "required": true,
        "schema": {
          "type": "integer"
        }
      }
    }
  }
}

Postitive test num. 2 - yaml file

openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        '200':
          "$ref": "#/components/schemas/Success"
components:
  parameters:
    limitParam:
      name: limit
      in: query
      description: max records to return
      required: true
      schema:
        type: integer

Code samples without security vulnerabilities

Negative test num. 1 - json file

{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0"
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "$ref": "#/components/schemas/Success"
          }
        },
        "parameters": [
          {
            "$ref": "#/components/parameters/limitParam"
          }
        ]
      }
    }
  },
  "components": {
    "parameters": {
      "limitParam": {
        "name": "limit",
        "in": "query",
        "description": "max records to return",
        "required": true,
        "schema": {
          "type": "integer"
        }
      }
    }
  }
}

Negative test num. 2 - yaml file

openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        '200':
          "$ref": "#/components/schemas/Success"
      parameters:
      - "$ref": "#/components/parameters/limitParam"
components:
  parameters:
    limitParam:
      name: limit
      in: query
      description: max records to return
      required: true
      schema:
        type: integer