CVE-2026-46420

CVE-2026-46420 PoC Command injection in shivammathur/setup-php when the PHP version is loaded from repository controlled files. Affected: = 2.25.0, = 2.37.1 PoC The target repository already has a vulnerable workflow that checks out pull request contents and runs [email protected]. The...

CVE-2026-46420: Improper Neutralization of Special Elements used in an OS Command

setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools. From 2.25.0 prior to 2.37.1, shivammathur/setup-php resolves the PHP version from repository-controlled files such as .php-version, composer.lock through platform-overrides.php, and...