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AI Agent 安全风险曝光:攻击者可利用 “记忆污染” 诱导资金误操作

2026-05-15 15:33:08

ChainCatcher 消息,GoPlus Security 团队在其 AgentGuard AI 项目中披露一种新型攻击方式:通过 “历史记忆注入(memory poisoning)” 诱导 AI 代理执行未经明确授权的敏感操作。攻击方式并不依赖传统漏洞或恶意代码,而是利用 AI 代理的长期记忆机制。例如攻击者先诱导代理 “记住偏好”,如 “通常优先主动退款而不是等待拒付”,随后在后续指令中使用 “按惯例处理”“照之前方式执行”等模糊表述,从而触发自动化资金操作。

GoPlus 指出,这类风险的关键在于 AI 代理会将 “历史偏好” 误当作授权依据,进而在退款、转账、配置修改等操作中产生资金损失或安全事件。针对该问题,团队提出多项防护建议,包括:

  • 涉及退款、转账、删除或敏感配置的操作必须进行当前会话显式确认
  • “习惯”“通常方式”“照旧”等记忆类指令应视为高风险状态变更
  • 长期记忆必须具备可追溯机制(写入者、时间、是否确认)
  • 模糊指令应自动提升风险等级并触发二次验证
  • 长期记忆不得替代实时授权流程

该团队强调,应将 “AI 代理记忆系统” 视为潜在攻击面,并通过专门安全框架进行约束与审计。

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