Metadata

ID: python-security/yaml-load

Language: Python

Severity: Warning

Category: Security

CWE: 502

Description

Avoid deserialization of untrusted YAML data via potential unsafe yaml.load.

This rule checks that the yaml module is used and the load method is used. It recommends the usage of safe_load that prevents unsafe deserialization.

See Also

• CWE-502 - Deserialization of Untrusted Data

Non-Compliant Code Examples

from yaml import load

load("string") # should use safe_load

import yaml

yaml.load("string") # should use safe_load

Compliant Code Examples

import yaml

yaml.load("string", loader=yaml.SafeLoader) # uses SafeLoader, so load is okay

yaml.load("string")