CVE-2026-86084

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the public OIDC login and callback endpoints completed authentication even when OIDC was not the enabled active authentication method. An Enterprise administrator who had configured and later disabled an identity provider still exposed a working route that could issue valid sessions. The affected logic is packages/cli/src/modules/sso-oidc/oidc.service.ee.ts, including generateLoginUrl and the callback flow that lacked assertOidcLoginEnabled. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/n8n-io/n8n/releases/tag/n8n@1.123.76	Release Notes
https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7	Release Notes
https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2	Release Notes
https://github.com/n8n-io/n8n/security/advisories/GHSA-pf83-w3f9-8m37	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:n8n:n8n::::::node.js::*
	cpe:2.3:a:n8n:n8n::::::node.js::*
	cpe:2.3:a:n8n:n8n::::::node.js::*

History

No history.

Information

Published : 2026-09-08 22:19

Updated : 2026-09-10 21:10

NVD link : CVE-2026-86084

Mitre link : CVE-2026-86084

CVE.ORG link : CVE-2026-86084

JSON object : View

Products Affected

n8n

n8n

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

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