# Gin Permissive CORS

- ID: go-gin-permissive-cors
- Severity: MEDIUM
- CWE: CWE-942 (CWE-942)
- Languages: Go
- Frameworks: gin

## Description

Wildcard CORS allows any origin to access resources.

## Detection Message

Gin CORS middleware configured with wildcard origin

## Remediation

Specify allowed origins instead of wildcard.

```go
config := cors.DefaultConfig()
config.AllowOrigins = []string{
    "https://example.com",
    "https://app.example.com",
}
r.Use(cors.New(config))
```

Learn more: https://shoulder.dev/learn/go/cwe-942/cors

## Documentation

[object Object]

## Related Rules

- **FastAPI CORS Misconfiguration** [MEDIUM]: 
- **Flask CORS Misconfiguration** [MEDIUM]: 
- **Chi Permissive CORS** [MEDIUM]: 
- **Echo Permissive CORS** [MEDIUM]: 
- **Fiber Permissive CORS** [MEDIUM]: