use of eval can be insecure

This page is not yet available in Spanish. We are working on its translation.
If you have any questions or feedback about our current translation project, feel free to reach out to us!

Metadata

ID: python-security/no-eval

Language: Python

Severity: Notice

Category: Security

CWE: 94

Description

eval() is insecure, and passing in unsanitized data could create a vulnerability, as reported by the official Python documentation. Generated code should be controlled as mentioned by CWE-94.

Learn More

  • CWE-94 - Improper Control of Generation of Code

Non-Compliant Code Examples

print("bla")
eval('[1, 2, 3]') # eval() can be unsafe

Compliant Code Examples

import foo
foo.eval('[1, 2, 3]')
from ast import literal_eval
print("bla")
literal_eval('[1, 2, 3]')
https://static.datadoghq.com/static/images/logos/github_avatar.svg https://static.datadoghq.com/static/images/logos/vscode_avatar.svg jetbrains

Seamless integrations. Try Datadog Code Analysis