CVE-2026-86994

Medium

Description

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the /rest/active-workflows endpoint returned every active workflow ID on the instance to any member regardless of sharing. Workflow activation, deactivation, and publication push events were also broadcast to clients that could not access the affected workflow, disclosing workflow IDs, version IDs, and activation error details. The affected paths include packages/cli/src/services/active-workflows.service.ts and packages/cli/src/workflows/workflow-push-notifier.service.ts. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.

SeverityMedium
CVSS4.3
Exploit probability—
ProductN8n
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Update
  • n8n n8n1.123.76, 2.37.7, 2.38.2 or later
  • n8n1.123.76, 2.38.2, 2.37.7 or later

Affected products

ProductAffected versionsFixed in
n8n n8nv < 1.123.76, 2.0.0 ≤ v < 2.37.7, 2.38.0 ≤ v < 2.38.21.123.76, 2.37.7, 2.38.2
n8nnpmv < 1.123.76, 2.38.0 ≤ v < 2.38.2, 2.0.0 ≤ v < 2.37.71.123.76, 2.38.2, 2.37.7

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