| Package | Affected versions | Patched versions |
|---|---|---|
| helm.sh/helm | < 2.16.11 | 2.16.11 |
| helm.sh/helm/v3 | ≥ 3.0.0, < 3.3.2 | 3.3.2 |
| helm | ≥ 2.0.0, < 2.16.11≥ 3.0.0, < 3.3.2 | 2.16.113.3.2 |
Security researchers at Trail of Bits discovered that plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to helm --help.
helm.sh/helm/v3/pkg/plugin
This issue has been patched in Helm 3.3.2.
Do not install untrusted Helm plugins. Examine the name field in the plugin.yaml file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.
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