# Unicode Normalization Issues

- ID: python-unicode-normalization
- Severity: MEDIUM
- CWE: CWE-176 (CWE-176)
- Languages: Python

## Description

Detects missing Unicode normalization leading to security bypasses.

## Remediation

Normalize Unicode strings before comparison using unicodedata.normalize().

```python
import unicodedata

def normalize_username(username):
    return unicodedata.normalize('NFKC', username).lower()

if normalize_username(input_name) == normalize_username(stored_name):
    grant_access()
```

Learn more: https://shoulder.dev/learn/python/cwe-176/unicode-normalization

## Documentation

[object Object]

## Related Rules

- **Unicode Normalization Security Issues** [MEDIUM]: 
- **Unicode Normalization Security Issues** [MEDIUM]: