CVE-2026-44791 | n8n is an open source workflow automation platform. Prior to… | CVSS 9.4 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 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.

Metadata

CVE ID: CVE-2026-44791
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-05-07 19:20 UTC
Published: 2026-06-23 15:54 UTC
Last updated: 2026-06-23 17:13 UTC
Primary CWE: CWE-1321
CWE-1321: Improperly Controlled Modification of Object Proto…
Vendor / Product: n8n-io / n8n
Sources: cve.org · NVD

Severity & Metrics

9.4 CRITICAL CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
n8n-io	n8n	—	< 1.123.43, >= 2.0.0-rc.0, < 2.20.7, >= 2.21.0, < 2.21.1

Weakness (CWE)

CWE	Source	Description
CWE-1321	cna	CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.4	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References (1)

https://github.com/n8n-io/n8n/security/advisories/GHSA-wrwr-h859-xh2r https://github.com/n8n-io/n8n/security/advisories/GHSA-wrwr-h859-xh2r