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CVE-2026-86082 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/n8n-io/n8n/releases/tag/[email protected]	[email protected]	Release Notes
https://github.com/n8n-io/n8n/releases/tag/[email protected]	[email protected]	Release Notes
https://github.com/n8n-io/n8n/releases/tag/[email protected]	[email protected]	Release Notes
https://github.com/n8n-io/n8n/security/advisories/GHSA-34ff-336r-5q23	[email protected]	MitigationVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

Product	Versions
n8n n8n	< 1.123.76 >= 2.0.0, < 2.37.7 >= 2.38.0, < 2.38.2
CPE cpe:2.3:a:n8n:n8n::::::node.js::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 11, 2026	Initial Analysis	[email protected]
Sep 8, 2026	New CVE Received	[email protected]