What’s Vulnerable › Vulnerabilities
CVE-2026-44791: n8n: XML Node Prototype Pollution Patch Bypass
- Severity: critical (CVSS 9.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-23 · updated 2026-10-26
- Weakness: CWE-1321
Description
n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could bypass the patch for CVE-2026-42232 in the XML node. When combined with other nodes, this could lead to RCE on the n8n host. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.
Affected products
- n8n-io n8n: before 1.123.43; from 2.0.0 before 2.20.7; from 2.21.0 before 2.22.1 — fixed in 1.123.43, 2.20.7, 2.22.1
How to fix
Upgrade to a fixed version: n8n-io n8n 1.123.43, 2.20.7, 2.22.1. Check the vendor advisory for mitigations.
References
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