Fetch-url-file-3a-2f-2f-2froot-2f.aws-2fconfig May 2026

fetch-url-file:///root/aws/config

[profile prod] aws_access_key_id = YOUR_PROD_ACCESS_KEY aws_secret_access_key = YOUR_PROD_SECRET_KEY region = us-west-2

Understanding the AWS CLI Configuration File

When you use the AWS CLI, your configuration settings are stored in a file located at ~/.aws/config on Linux, macOS, or Unix, and at %USERPROFILE%\.aws\config on Windows. This configuration file is crucial for specifying your AWS credentials, default region, and other settings that the AWS CLI needs to interact with AWS services. fetch-url-file-3A-2F-2F-2Froot-2F.aws-2Fconfig

  1. Do not decode and fetch the referenced file.
  2. Treat as suspicious — likely an exploit attempt or scanning for local file inclusion (LFI) vulnerabilities.
  3. Check applications for unsafe handling of user-supplied strings that might be interpreted as URIs or file paths.
  4. Review AWS credential storage — ensure /.aws/config is not world-readable and that credentials are not exposed.

Decoding the special characters, we get: Understanding the AWS CLI Configuration File When you

This article decodes the string, explains the significance of /root/.aws/config, demonstrates how attackers exploit such patterns, and provides a step-by-step guide to remediation. Do not decode and fetch the referenced file

In a typical SSRF attack, a hacker exploits a vulnerable web application that accepts a URL as input to fetch data from an external source. By substituting an external URL with a "file://" URI scheme, the attacker shifts the request's focus from the public internet to the server’s internal file system.