Adel Sadek Bug bounty writeups. https://adel-sadek.net/ 2026-10-30T00:00:00Z Adel Sadek Negative Cart Totals https://adel-sadek.net/posts/negative-cart-totals/ 2026-10-30T00:00:00Z 2026-10-30T00:00:00Z Swapping the dates on a second add dragged a rental cart to −€477,673.13.