The username and password credentials associated with a Helm repository can be passed to another domain referenced by that Helm repository.
If the index.yaml for a Helm repository is hosted on one domain and references a chart archive on a different domain, Helm will provide the credentials for the index.yaml's domain when fetching those archives.
{ "review_status": "REVIEWED", "url": "https://pkg.go.dev/vuln/GO-2022-0384" }