Index Of Vendor Phpunit Phpunit Src Util Php Evalstdinphp Better !!top!! Jun 2026

. This allows the script to read the raw body of an HTTP POST request and execute it as PHP code. Root Cause : The vulnerability is triggered when the

composer dump-autoload

Even if you cannot delete the file, set strict permissions:

Lyra traced the access logs. The attacker hadn’t just found the file—they’d used it. POST requests to eval-stdin.php with base64-encoded payloads. System reconnaissance. Database dumps. A reverse shell that had been sleeping inside their cloud environment for eleven days.