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zkLink 遭攻击涉及瞬态存储漏洞,损失约 78.3 万美元

2026-10-31 22:01:48

ChainCatcher 消息,据慢雾安全团队分析,跨链协议 zkLink 遭攻击,损失约 78.3 万美元。

攻击者利用瞬态存储中的残留验证值伪造提款验证所需的批次根,随后完成 12 次提款,包括 1 次 ETH 提款和 11 次 ERC-20 代币提款。

攻击者先通过一次真实跨链消息领取并写入验证值,再在同一笔交易的后续调用中复用该值,借助中继及网关合约写入伪造的批次根。

相关合约允许中继者指定外部调用目标和参数,验证值未被清除或绑定至当前调用;批次根更新仅校验网关身份,缺少独立证明验证。

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