| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|---|---|
| n8n | = 2.28.0< 2.27.4 | 2.27.4 |
| n8n | ≥ 2.28.0, < 2.28.1< 2.27.4 | 2.28.12.27.4 |
The AI Agents feature did not enforce the "Allowed HTTP Request Domains" restriction configured on credentials. As a result, a member-level user who had been granted use-only access to a shared credential could cause its secret to be sent to an external server they control, by pointing an MCP tool at an arbitrary URL and running the agent.
This issue only affects instances where the AI Agents module is enabled via N8N_ENABLED_MODULES=agents and at least one credential with domain restrictions has been shared with a member-level user.
The issue has been fixed in n8n version 2.28.1 and 2.27.4. Users should upgrade to this version or later to remediate the vulnerability.
If upgrading is not immediately possible, administrators should consider the following temporary mitigations:
agents from the N8N_ENABLED_MODULES environment variable.These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.
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