Submitted by Koolex, also found by idkwhatimdoing, adriro, haku, SmartSek, KingNFT, and pavankv
https://github.com/prepo-io/prepo-monorepo/blob/feat/2022-12-prepo/apps/smart-contracts/core/contracts/Collateral.sol#L45-L61
https://github.com/prepo-io/prepo-monorepo/blob/feat/2022-12-prepo/apps/smart-contracts/core/contracts/Collateral.sol#L64-L78
https://github.com/prepo-io/prepo-monorepo/blob/feat/2022-12-prepo/apps/smart-contracts/core/contracts/DepositHook.sol#L49-L50
https://github.com/prepo-io/prepo-monorepo/blob/feat/2022-12-prepo/apps/smart-contracts/core/contracts/WithdrawHook.sol#L76-L77
Given:
Note: apply the same logic for DepositHook and WithdrawHook as well at:
ramenforbreakfast (prePO) confirmed 
Picodes (judge) decreased severity to Medium 
