GoPlus has detected unusual authorizations linked to 402bridge, leading to more than 200 users losing USDC in excessive authorizations made by the protocol. Summary The x402bridge protocol suffered a breach caused by a leaked admin private key, allowing an attacker to steal about $17,693 in USDC from over 200 users. The hack reveals vulnerabilities related to the x402 mechanism which relies on private keys stored on a server to enable admin privileges to on-chain addresses that may distribute and authorize transactions excessively.

GoPlus has detected an anomalous authentication linked to 402bridge. This resulted in over 200 users losing their USDC due to excessive authentication performed by the protocol. summary The x402bridge protocol was compromised with an administrator's private key compromised, allowing attackers to steal approximately $17,693 in USDC from over 200 users. The hack revealed vulnerabilities related to the x402 mechanism that relies on private keys stored on servers to grant administrative privileges to on-chain addresses, potentially allowing them to over-distribute and approve transactions.

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