Submitted by WatchPug, also found by berndartmueller, Dravee, hake, jah, and minhquanym
NFTLoanFacilitator.sol#L116-L126
The sendCollateralTo will receive the collateral NFT when closeLoan() is called. However, if sendCollateralTo is a contract address that does not support ERC721, the collateral NFT can be frozen in the contract.
As per the documentation of EIP-721:
Ref: EIP-721
Change to:
wilsoncusack (Backed Protocol) acknowledged, but disagreed with Medium severity and commented:
gzeon (judge) commented:
