Do not use text() as it leads to SQL injection
ID: python-flask/disable-sqlalchemy-text
Language: Python
Severity: Warning
Category: Security
CWE: 89
Description
The text function from SQLAlchemy lets you build custom SQL statements. It is recommended to use the ORM functions to build queries and avoid building custom queries, which are vulnerable to SQL injections.
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Non-Compliant Code Examples
from sqlalchemy.sql import text
con = engine.connect()
data = ( { "id": 1, "title": "The Hobbit", "primary_author": "Tolkien" },
{ "id": 2, "title": "The Silmarillion", "primary_author": "Tolkien" },
)
statement = text("""INSERT INTO book(id, title, primary_author) VALUES(:id, :title, :primary_author)""")
for line in data:
con.execute(statement, **line)
Compliant Code Examples
con = engine.connect()
data = ( { "id": 1, "title": "The Hobbit", "primary_author": "Tolkien" },
{ "id": 2, "title": "The Silmarillion", "primary_author": "Tolkien" },
)
statement = text("""INSERT INTO book(id, title, primary_author) VALUES(:id, :title, :primary_author)""")
for line in data:
con.execute(statement, **line)
from sqlalchemy import text
BOOKS = meta.tables['books']
query = sqlalchemy.select(BOOKS).where(BOOKS.c.genre == 'fiction')
result = engine.execute(query).fetchall()
