CVE-2026-49444 | n8n is an open source workflow automation platform. Prior to… | CVSS 7.1 HIGH

Description

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This vulnerability is fixed in 1.123.48, 2.21.8, and 2.22.4.

Metadata

CVE ID: CVE-2026-49444
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-05-30 02:43 UTC
Published: 2026-06-23 15:50 UTC
Last updated: 2026-06-23 17:33 UTC
Primary CWE: CWE-20
CWE-20: Improper Input Validation
Vendor / Product: n8n-io / n8n
Sources: cve.org · NVD

Severity & Metrics

7.1 HIGH CVSS 4.0

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
n8n-io	n8n	—	< 1.123.48, >= 2.0.0-rc.0, < 2.21.8, >= 2.22.0, < 2.22.4

Weakness (CWE)

CWE	Source	Description
CWE-20	cna	CWE-20: Improper Input Validation

CVSS scores (1)

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

References (1)

https://github.com/n8n-io/n8n/security/advisories/GHSA-9pq8-m8gp-4p53 https://github.com/n8n-io/n8n/security/advisories/GHSA-9pq8-m8gp-4p53