Security operations and threat intelligence networks reveal that scanning infrastructure targeting eval-stdin.php has actually increased in sophistication. Threat actors deploy automated scripts to search for this path for several reasons:

If you cannot immediately change your web root, explicitly block public HTTP access to the vendor folder.

Attackers can execute arbitrary code, potentially leading to full server compromise.

This exposure is tracked under . It is one of the most frequently scanned-for vulnerabilities on the internet because it is incredibly easy to exploit. How the Attack Works:

The path vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php refers to a critical security vulnerability known as , which allows unauthenticated Remote Code Execution (RCE) on affected web servers. Interesting Blog Posts and Analyses