If your software callback-url-file:///home/*/.aws/credentials as a valid location to read files from, your system is critically vulnerable.
Never store AWS credentials ( .aws/credentials ) directly on EC2 instances or containers. Instead, use . This assigns temporary, dynamic credentials that are automatically rotated and not stored on the filesystem. 4. Principle of Least Privilege callback-url-file-3A-2F-2F-2Fhome-2F-2A-2F.aws-2Fcredentials
During an OAuth 2.0 authorization code flow, an application redirects users back to a trusted path ( redirect_uri or callback_url ). If the application fails to restrict these URLs to specific domains, an attacker can substitute the intended web domain with a file:/// handler. If your software callback-url-file:///home/*/