Use of unsanitized data to issue SQL queries
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ID: python-flask/sqlalchemy-injection
Language: Python
Severity: Error
Category: Security
CWE: 89
Description
Use of unsanitized data from incoming requests in SQL queries may lead to SQL injections. Instead, the data should be filtered and sanitized before use, making sure all potential SQL injections are avoided.
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Non-Compliant Code Examples
import flask
import requests
app = flask.Flask(__name__)
@app.route("/route/to/resource/<resource_id>")
def resource2(resource_id):
file1 = query.order_by(resource_id)
file2 = query.having(f"{resource_id}")
@app.route("/route/to/resource/<resource_id>")
def resource3(resource_id):
file3 = query.filter("{0}".format(resource_id))
@app.route("/route/to/resource")
def resource2():
resource_id = flask.request.args.get("resource_id")
file1 = query.group_by(resource_id)
Compliant Code Examples
import flask
import requests
app = flask.Flask(__name__)
@app.route("/route/to/resource")
def resource2():
resource_id = flask.request.args.get("resource_id")
file1 = query.group_by(sanitize(resource_id))
