User can do registration of one CID NFT many times

Lines of code Vulnerability details Impact User can do registration one CID NFT repeatedly, and event CIDNFTAdded will be emited again and again. No checks, that user already registerd. When willl be some logic on frontend, which use this event, it could break, when get one more events CIDNFTAdde...

An approved operator of a CID NFT owner can steall any subprotocol NFTs from the CID NFT Owner and his other approved operators.

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. An approved operator of a CID NFT owner, if becomes malicious or compromised, can steal any subprotocol NFTs from the CID NFT Owner and his other approved operators. This is possible because: after...