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VULNERABILITIES

CVE-2026-44789 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h [email protected]MitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')[email protected]

Affected Products

ProductVersions
n8n n8n
< 1.123.43
>= 2.0.0, < 2.20.7
>= 2.21.0, < 2.22.1

CPE

  • cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-44789
NVD Published Date:
Jun 23, 2026
NVD Last Modified:
Jun 24, 2026
Source:
[email protected]
CVE-2026-44789 Details - Not Deferred