Make sure cookies are safe and secure

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Metadata

ID: python-flask/secure-cookie

Language: Python

Severity: Notice

Category: Security

Description

Cookies must have the secure and httponly parameters set to True.

Learn More

CWE-614: Sensitive Cookie in HTTPS Session Without ‘Secure’ Attribute

Non-Compliant Code Examples

response.set_cookie('username', 'flask', secure=False, httponly=False, samesite="Lax")
response.set_cookie('username', 'flask', secure=True, httponly=False, samesite="Lax")
response.set_cookie('username', 'flask', secure=False, httponly=True, samesite=None)
response.set_cookie('username', 'flask', samesite=None, secure=False, httponly=True)
response.set_cookie('username', 'flask', secure=False, samesite=None)
response.set_cookie('username', 'flask', samesite=None, httponly=True)

Compliant Code Examples

response.set_cookie('username', 'flask', secure=True, httponly=True, samesite='Lax')