-template-..-2f..-2f..-2f..-2froot-2f.aws-2fcredentials Jun 2026
Compromised accounts are frequently used to launch high-performance EC2 instances or container clusters dedicated to cryptocurrency mining, leaving the victim enterprise with massive cloud infrastructure bills.
When an application processes a file request, it typically appends the user input to a base directory path. For example: "https://example.com" + userInput -template-..-2F..-2F..-2F..-2Froot-2F.aws-2Fcredentials
Mitigations and best practices
: Used in conjunction with access key IDs for authentication. Now the meaning is crystal clear
Now the meaning is crystal clear. The attacker is attempting to traverse up four directories ( ../../../../ ) from the current working directory, then descend into the root home folder, then into the .aws directory, and finally read the credentials file. The -template- prefix might be an artifact from a template injection context (e.g., template ".." in Go templates or a placeholder in a custom templating engine). Combined, the payload attempts to exploit both and server‑side template injection . Combined, the payload attempts to exploit both and
Let's break it down. The -2F sequences are URL encoding for the forward slash character ( / ). When decoded, the string becomes: