CVE-2026-86085

n8n · Vulnerability

CVSS 4.0 5.1 MEDIUMEUVD CVSS 4.0 5.1 CVSS 4.0 · [email protected] · Secondary 5.1 MEDIUMCVSS 3.1 · [email protected] · Primary 4.9 MEDIUMCVSS_V4 Publisher rating MODERATEFixed by n8n 2.38.2 Fixed by n8n 2.37.7KEV status unknown

Original advisory

cve-program · CVE-2026-86085

Published

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the /rest/roles/:slug/assignments and /rest/roles/:slug/assignments/:projectId/members endpoints checked only whether the caller could manage the role type. A caller with role:manageProject could name a project the caller could not list and obtain member names and email addresses. The affected controller is packages/cli/src/controllers/role.controller.ts, which omitted the project:list scope check. This issue is fixed in versions 2.37.7 and 2.38.2.

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euvd · EUVD-2026-74271

Published

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nvd · CVE-2026-86085

Published

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osv · GHSA-cqr2-h44g-v75v

Published

## Impact The endpoints `/rest/roles/:slug/assignments` and `/rest/roles/:slug/assignments/:projectId/members` checked only that the caller could manage the role type, not that they could see the project named in the request. A user holding role-management permission could therefore name any project on the instance and read back its members' names and email addresses. The patch adds a project-access check to both routes, hiding projects the caller cannot see and returning not-found for a project it cannot list. ## Patches The issue has been fixed in n8n versions 2.38.2 and 2.37.7. Users should upgrade to one of these versions or later to remediate the vulnerability. ## Workarounds If upgrading is not immediately possible, administrators should consider the following temporary mitigations: - Restrict n8n instance access to fully trusted users only. - Audit and revoke any custom global roles that carry the `role:manageProject` scope, limiting that scope to fully trusted users only. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.

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Affected versions, risk and source history

Exploitation and risk

Source status

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Risk history

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Advisory history

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13 Nov 2026 18:04:10 UTC