At least one 200, 201, 202, or 204 response should be defined for DELETE operations

Description

DELETE operations in your API must have at least one 200, 201202, or 204 response defined.

Example

The following is an example of how this issue could look in your API definition:

"delete": {
    "description": "Deletes a pet based on the ID",
    ...
    "responses": {
      "default": {
        "description": "Unexpected error",
        "schema": {
          "$ref": "#/definitions/Error"
        }
      }
    }
  }
}

Possible exploit scenario

Attackers strive to make your APIs behave in an unexpected way to learn more about your system or to cause a data breach. We highly recommend that you minimize any risks and clearly specify the data that your API operations can return for each possible response code.

Remediation

Define 200, 201202, or 204 responses for all DELETE operations.

"delete": {
    "description": "Deletes a pet based on the ID",
    ...
    "responses": {
      "204": {
        "description": "Pet deleted"
      },
      "default": {
        "description": "Unexpected error",
        "schema": {
          "$ref": "#/definitions/Error"
        }
      }
    }
  }
}

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