Server-side Request Forgery (SSRF) Affecting n8n-core package, versions <2.20.0
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- published25 May 2026
- disclosed19 May 2026
- creditNguyễn Tiến Thành
Introduced: 19 May 2026
New CVE NOT AVAILABLE CWE-918 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade n8n-core to version 2.20.0 or higher.
Overview
n8n-core is a Core functionality of n8n
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the POST /rest/dynamic-node-parameters/options endpoint. An attacker can redirect responses to a server under their control by sending a specially crafted request with loadOptions.routing.request.url set to another host.