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Security Incident · BSC Ecosystem

Qubit Contract Vulnerability: $80.00M Reported Loss

·Historical incident record

Qubit, the lending product of QBridge, a BSC ecological decentralized lending project, is suspected to have been hacked.

Reported loss
$ 80,000,000
Attack category
Contract Vulnerability

Incident Overview

The hackers minted a large amount of xETH collateral and consumed about $80 million in assets in the capital pool. According to SlowMist's analysis, the main reason for this attack is that when the recharge of ordinary tokens and native tokens are implemented separately, when transferring the tokens in the whitelist, it is not checked again whether they are 0 addresses, resulting in The operation that should be recharged through the native recharge function can successfully go through the recharge logic of ordinary tokens.

Sources & References

This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.