Vulnerability Information
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Vulnerability Title
Insecure Direct Object Reference (IDOR) via Header-Based Email Routing
Vulnerability Description
Summary An Insecure Direct Object Reference has been found to exist in `createHeaderBasedEmailResolver()` function within the Cloudflare Agents SDK. The issue occurs because the `Message-ID` and `References` headers are parsed to derive the target agentName and agentId without proper validation or origin checks, allowing an external attacker with control of these headers to route inbound mail to arbitrary Durable Object instances and namespaces . Root cause The `createHeaderBasedEmailResolver()` function lacks cryptographic verification or origin validation for the headers used in the routing logic, effectively allowing external input to dictate internal object routing. Impact Insecure Direct Object Reference (IDOR) in email routing lets an attacker steer inbound mail to arbitrary Agent instances via spoofed Message-ID. Mitigation: * PR: https://github.com/cloudflare/agents/blob/main/docs/email.md ] provides the necessary architectural context for coding agents to mitigate the issue by refactoring the resolver to enforce strict identity boundaries. * Agents-sdk users should upgrade to agents@0.3.7
CVSS Information
N/A
Vulnerability Type
通过用户控制密钥绕过授权机制
Vulnerability Title
Cloudflare Agents 安全漏洞
Vulnerability Description
Cloudflare Agents是Cloudflare开源的一个在Cloudflare上构建和部署AI代理的工具。 Cloudflare Agents存在安全漏洞，该漏洞源于createHeaderBasedEmailResolver函数解析Message-ID和References标头时缺乏验证，可能导致不安全的直接对象引用攻击，使攻击者可将入站邮件路由至任意Durable Object实例和命名空间。
CVSS Information
N/A
Vulnerability Type
N/A