CVE-2026-72576: Php File Upload Blacklist Validation
File upload extension validation relies on a blacklist instead of an allowlist. Blacklists often fail to prevent uploading dangerous configuration files (such as .htaccess) or alternative executable extensions, leading to remote code execution.
PHPgreprules fetch cve-2026-72576-php-file-upload-blacklist-validation --engine opengrepDescription
File upload extension validation relies on a blacklist instead of an allowlist. Blacklists often fail to prevent uploading dangerous configuration files (such as .htaccess) or alternative executable extensions, leading to remote code execution.
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