Flask and Django require a Securely signed key for singing the session cookies. most of the time developers rely on load hardcoded secret keys from a config file or python code. this proves that the way of hardcoded secret can make problems when you forgot to change the constant secret keys.
In Flask Consider using a secure random generator with Python standard secrets library
In Django Consider using a secure random generator with "get_random_secret_key()"" method from "django.core.management.utils".
Safe Django SECRET_KEY
Unsafe Django SECRET_KEY Example:
Safe Flask SECRET_KEY Example:
Unsafe Flask SECRET_KEY Example:
config1.py
config2.py
config3.py
__init__.py