CVE-2026-44790 | 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 inject CLI flags on the Git node's Push operation allowing an attacker to read arbitrary files from the n8n server potentially leading to full compromise. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

Metadata

CVE ID: CVE-2026-44790
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-05-07 19:20 UTC
Published: 2026-06-23 15:53 UTC
Last updated: 2026-06-23 17:33 UTC
Primary CWE: CWE-88
CWE-88: Improper Neutralization of Argument Delimiters in a …
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-88	cna	CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

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-57g9-58c2-xjg3 https://github.com/n8n-io/n8n/security/advisories/GHSA-57g9-58c2-xjg3