CVE-2026-85173: n8n before 2.36.2 Missing Authorization via Insights API

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-10-29
Weakness: CWE-639

Description

n8n versions before 2.36.2 contain a missing per-project authorization vulnerability in the Insights API routes that allows authenticated users with insights scopes to access workflow names and execution statistics across projects. Attackers can supply arbitrary projectId parameters to retrieve sensitive project and workflow information from projects they have no membership in.

Affected products

n8n-io n8n: before 2.35.4; from 2.36.0 before 2.36.2 — fixed in 2.35.4, 2.36.2
n8n-io n8n: from 2.36.0 before 2.36.2 — fixed in 2.36.2

How to fix

Upgrade to a fixed version: n8n-io n8n 2.35.4, 2.36.2; n8n-io n8n 2.36.2. Check the vendor advisory for mitigations.

References

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