Skip to content
GOOD AMERICAN

Vendor Phpunit Phpunit Src Util Php Eval-stdin.php Exploit Jun 2026

is a critical security flaw in the PHPUnit framework, a widely-used tool for automated unit testing in PHP development. This vulnerability allows a remote attacker to execute arbitrary code on a server simply by sending a specially crafted HTTP POST request to a specific file within the PHPUnit library.

Require all denied Use code with caution. 4. Remove Development Dependencies in Production vendor phpunit phpunit src util php eval-stdin.php exploit

: Confidential databases, environment variables ( .env files), and source code can be stolen. is a critical security flaw in the PHPUnit

exploit : This could be an argument or a parameter being passed to the PHPUnit command, potentially indicating that the command is being used to exploit a vulnerability. : The attacker scans thousands of domains looking

: The attacker scans thousands of domains looking for the specific path: /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php .

If you see scans for this path in your logs, or if you suspect your site is vulnerable, take these steps: