nopCommerce through 4.90.1 does not offer locking for order placement. Thus there is a race condition with duplicate redeeming of gift cards.
https://www.nopcommerce.com/en/release-notes
https://github.com/nopSolutions/nopCommerce/issues/7325
https://github.com/Fabian-For/Vulnerability-Research/blob/main/CVE-2024-58248/README.md