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Hyperbridge 合約遭遇 MMR 證明重放漏洞,損失約 24.2 萬美元

2026-04-13 13:58:45

ChainCatcher 消息,据 BlockSec 監測,Hyperbridge 管理的 HandlerV1 合約在以太坊網絡上出現 Merkle Mountain Range(MMR)證明重放漏洞,導致約 24.2 萬美元損失。該漏洞源於證明與請求未綁定,攻擊者可重放歷史有效證明並配合新偽造請求,實施如更改管理員權限等操作。

具體案例中,攻擊者更改了 Polkadot(DOT)Token 管理員後利用權限增發 DOT 並獲利。已觀測到相關攻擊交易包括 DOT Token 更改管理員及增發(損失約 23.74 萬美元)、ARGN Token 更改管理員及增發(損失約 3,800 美元)及主機提現等。

此前消息,Hyperbridge 網關合約遭攻擊,10 億枚 DOT 在以太坊上被增發並拋售。

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