On 26 April Pike Finance was exploited for $299k. As a result of the exploit they paused their contract which required it to be upgraded first. The upgrade caused a knock on effect and on 30 April 2024 Pike Finance was exploited for a second time with approximate losses of $1.68m.
On April 9th, 2023, the RouteProcessor2 in Sushiswap was exploited due to missing validation on the input with processRoute function. The total loss is around $ 3.3 M.