Cloudanix VulnDB

CVE-2026-85166

Medium · 6.5

CVSS

6.5

EPSS

0.4%

Published

Sep 3, 2026

CISA due date

—

The record

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow (e.g., the Workflow Tool node). A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can persist a node referencing a credential they do not own. When the workflow is later executed under an identity that holds the credential, the inline sub-workflow resolves the secret and can send it to an attacker-controlled endpoint, resulting in credential exfiltration.

Affected packages

Ecosystem Package Introduced Fixed

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