Index Of Vendor Phpunit Phpunit Src Util Php Evalstdinphp Jun 2026

The stream wrapper php://input reads raw data directly from the body of an HTTP POST request. When an application's root web directory incorrectly includes the vendor folder, an unauthenticated remote attacker can submit a standard web request directly to this file:

If the command returns a path like vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php , your installation may be at risk. To test if it is accessible via the web, attempt to curl the file safely:

An attacker sends an HTTP POST request to eval-stdin.php with arbitrary PHP code in the request body. For example: index of vendor phpunit phpunit src util php evalstdinphp

Let’s simulate an attack scenario to illustrate the severity.

<Directory "vendor/"> Require all denied </Directory> The stream wrapper php://input reads raw data directly

PHPUnit is a development tool and should never be deployed to a production environment. Ensure it is classified as a development dependency in your composer.json : "require-dev": "phpunit/phpunit": "^9.0" Use code with caution.

The use of eval in the evaluate method raises significant security concerns. The eval function executes the input string as PHP code, which can lead to: For example: Let’s simulate an attack scenario to

If you find that eval‑stdin.php is exposed, take action immediately:

The source code of the vulnerable eval-stdin.php file is remarkably simple. It reads input directly from the HTTP request body and passes it to PHP's eval() function: ' . file_get_contents('php://input')); Use code with caution.

The appearance of "index of /vendor/phpunit/phpunit/src/util/php/eval-stdin.php" in search results or server logs is a major red flag for web administrators. This specific file path is associated with a critical remote code execution (RCE) vulnerability that allows attackers to take complete control of a web server.