What’s Vulnerable › Vulnerabilities
CVE-2026-44789: n8n: HTTP Request Node Pagination Prototype Pollution to RCE
- 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 achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. 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
Get alerted when CVE-2026-44789 or the next vulnerability affects your stack