Request-url-http-3a-2f-2f169.254.169.254-2flatest-2fmeta Data-2fiam-2fsecurity Credentials-2f Jun 2026

In every case, the root cause was .

I notice you've provided what appears to be a URL-encoded string pointing to an internal IP address ( 169.254.169.254 ), which is commonly used for cloud instance metadata services (AWS, GCP, Azure, etc.) to retrieve IAM security credentials. In every case, the root cause was

Developers sometimes log HTTP requests for debugging. If a request to the metadata service is accidentally logged (e.g., via console.log or logging proxy), the credentials may end up in log files, error reporting systems, or even client-side code. In every case

Which is the metadata endpoint.