GHSA-CVHV-6XM6-C3V4 Cloudflare Agents is Vulnerable to Reflected Cross-Site Scripting in the AI Playground's OAuth callback handler

Summary A Reflected Cross-Site Scripting XSS vulnerability was discovered in the AI Playground's OAuth callback handler. The errordescription query parameter was directly interpolated into an HTML script tag without proper escaping, allowing attackers to execute arbitrary JavaScript in the contex...

Cloudflare Agents 安全漏洞

Cloudflare Agents is an open-source tool developed by Cloudflare for building and deploying AI agents on Cloudflare platforms. There is a security vulnerability in Cloudflare Agents, which stems from the improper escaping of the errordescription query parameter in the OAuth callback handler of th...

GHSA-R7X9-8PH7-W8CG Cloudflare Agents SDK has Insecure Direct Object Reference (IDOR) via Header-Based Email Routing

Summary An Insecure Direct Object Reference CWE-639 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 o...

CVE-2026-1664

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...

CVE-2026-1664

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...

EUVD-2026-5307

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...

CVE-2026-1664

Summary: CVE-2026-1664 affects Cloudflare Agents SDK prior to 0.3.7, due to an IDOR in header-based email routing. Root cause: createHeaderBasedEmailResolver() parses Message-ID and References to derive target agentName/agentId without cryptographic/origin verification, letting external headers s...

CVE-2026-1664 Insecure Direct Object Reference (IDOR) via Header-Based Email Routing

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...

PT-2026-6054

Name of the Vulnerable Software and Affected Versions Cloudflare Agents SDK versions prior to 0.3.7 Description An Insecure Direct Object Reference exists in the createHeaderBasedEmailResolver function. The issue arises because the Message-ID and References headers are parsed to determine the...

Cloudflare Agents 安全漏洞

Cloudflare Agents is an open-source tool developed by Cloudflare for building and deploying AI agents on Cloudflare platforms. There is a security vulnerability in Cloudflare Agents, which stems from the createHeaderBasedEmailResolver function’s inability to validate the Message-ID and References...