CVE-2026-44789 n8n: HTTP Request Node Pagination Prototype Pollution to RCE

Critical 9.4 Published Updated

Authenticated users can achieve remote code execution via prototype pollution in the HTTP Request node pagination parameter.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-44789?

CVE-2026-44789 is a critical code injection vulnerability in N8n N8n, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-1321

Which versions are affected by CVE-2026-44789?

6 open source packages ship an affected version, including n8n. It affects 1 product.

PackageAffectedFixed in
n8n npmAll versions1.123.43
n8n npmAll versions1.123.43
n8n npmFrom 2.0.0-rc.02.20.7
n8n npmFrom 2.0.0-rc.02.20.7
n8n npmFrom 2.21.02.22.1
n8n npmFrom 2.21.02.22.1

Products include N8n N8n.

How do I fix CVE-2026-44789?

Upgrade n8n to a fixed version for your release line: 1.123.43, 2.20.7 or 2.22.1.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-44789 being exploited?

There is no known exploitation of CVE-2026-44789 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All N8n N8n vulnerabilities

Sources

Also known as GHSA-c8xv-5998-g76h, MINI-cfg5-fx9r-g34v, ROOT-APP-NPM-CVE-2026-44789.

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