Lara Dashboard before 1.3.2 authorizes the POST /admin/settings/core-upgrades/upload endpoint with only the settings.edit permission, allowing non-Superadmin administrators to upload and extract arbitrary zip archives over the live application source code. Attackers can upload a malicious archive containing modified application files such as routes/web.php with embedded system commands, which execute as the web server user with access to environment secrets and database credentials.