CVE-2026-86996
Medium
Description
n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted workflow and read its returned data. The affected path is packages/cli/src/modules/agents/tools/workflow-tool-factory.ts, where executeWorkflow omitted SubworkflowPolicyChecker.checkForProject. This issue is fixed in versions 2.37.7 and 2.38.2.
SeverityMedium
CVSS5.4
Exploit probability—
Product
N8n
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- n8n n8n2.37.7, 2.38.2 or later
- n8n2.38.2, 2.37.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| n8n n8n | v < 2.37.7, 2.38.0 ≤ v < 2.38.2 | 2.37.7, 2.38.2 |
| n8nnpm | 2.38.0 ≤ v < 2.38.2, v < 2.37.7 | 2.38.2, 2.37.7 |
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