CVE-2026-55219: Concurrent Execution using Shared Resource with Improper Synchronization

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.5, the credit payment implementation in app/Livewire/Invoices/Show.php executes a pessimistic row lock lockForUpdate outside of an active database transaction. Because MySQL/MariaDB...