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trivy/docs/guide/coverage/iac/cloudformation.md
2025-11-18 15:45:49 +00:00

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# CloudFormation
Trivy supports the scanners listed in the table below.
| Scanner | Supported |
|:------------------:|:---------:|
| [Misconfiguration] | ✓ |
| [Secret] | ✓ |
It supports the following formats.
| Format | Supported |
|:------:|:---------:|
| JSON | ✓ |
| YAML | ✓ |
## Misconfiguration
Trivy recursively searches directories and scans all found CloudFormation files.
It evaluates properties, functions, and other elements within CloudFormation files to detect misconfigurations.
### Value Overrides
You can provide `cf-params` with path to [CloudFormation Parameters] file to Trivy to scan your CloudFormation code with parameters.
```bash
trivy config --cf-params params.json ./infrastructure/cf
```
You can check a [CloudFormation Parameters Example]
## Secret
The secret scan is performed on plain text files, with no special treatment for CloudFormation.
[Misconfiguration]: ../../scanner/misconfiguration/index.md
[Secret]: ../../scanner/secret.md
[CloudFormation Parameters]: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/parameters-section-structure.html
[CloudFormation Parameters Example]: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudformation/deploy.html#supported-json-syntax