CVE-2026-86082
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Summary
n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the OpenAI Chat Model node enforced credential allowed-domain restrictions for normal calls but not for the model-search dropdown. A workflow editor could set options.baseURL to an arbitrary host and make the searchModels path send the openAiApi credential there. The affected implementation is packages/@n8n/nodes-langchain/nodes/llms/LMChatOpenAi/methods/loadModels.ts, which omitted assertOpenAiCredentialAllowsUrl. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n8n-io | n8n | >= 2.38.0, < 2.38.2 | affected |
| n8n-io | n8n | >= 2.0.0, < 2.37.7 | affected |
| n8n-io | n8n | < 1.123.76 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-34ff-336r-5q23
- https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7
- https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2
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