CVE-2026-44789
Critical
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.
SeverityCritical
CVSS9.9
Exploit probability—
Product
N8n
PublishedJun 23, 2026
First seenJun 23, 2026
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- n8n n8n1.123.43, 2.20.7, 2.22.1 or later
- n8n1.123.43, 2.22.1, 2.20.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| n8n n8n | v < 1.123.43, 2.0.0 ≤ v < 2.20.7, 2.21.0 ≤ v < 2.22.1 | 1.123.43, 2.20.7, 2.22.1 |
| n8nnpm | v < 1.123.43, 2.21.0 ≤ v < 2.22.1, 2.0.0-rc.0 ≤ v < 2.20.7 | 1.123.43, 2.22.1, 2.20.7 |
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