User Impersonation Affecting n8n-nodes-base package, versions >=0.147.0 <1.121.5>=2.0.0-rc.0 <2.1.4>=2.2.0 <2.2.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-N8NNODESBASE-14900320
- published8 Jan 2026
- disclosed7 Jan 2026
- creditJeevan Jutla, Artemiy Malyshau
Introduced: 7 Jan 2026
CVE-2026-21894 (opens in a new tab)How to fix?
Upgrade n8n-nodes-base to version 1.121.5, 2.1.4, 2.2.2 or higher.
Overview
n8n-nodes-base is a Base nodes of n8n
Affected versions of this package are vulnerable to User Impersonation via the Stripe Trigger node that does not verify incoming webhook requests against Stripe webhook signing secret. An attacker with valid webhook URL can execute unauthorized workflows by sending forged webhook events to the endpoint, bypassing signature verification.
##Workaround This vulnerability can be partially mitigated by deactivating affected workflows or restricting access to workflows containing Stripe Trigger nodes to trusted users only.