CVE-2026-86085 PUBLISHED

n8n: Cross-Tenant Project-Member PII Disclosure via Missing Per-Project Scope Check on Role Assignment Endpoints

Assigner: GitHub_M
Reserved: 04.09.2026 Published: 08.09.2026 Updated: 08.09.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.1

Product Status

Vendor n8n-io
Product n8n
Versions
  • Version < 2.37.7 is affected
  • Version >= 2.38.0, < 2.38.2 is affected

References

Problem Types

  • CWE-862: Missing Authorization CWE