TI-2026-36599 Aliases CVE-2026-49444 GHSA-9pq8-m8gp-4p53

n8n: Python sandbox escape

LOW 31CWE-20Published 2026-06-23 · Updated 2026-06-23

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · Low · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00385 32nd percentileScored 2026-11-07

Fix Fixed n8n (n8n-io): 1.123.48, 2.21.8, 2.22.4n8n (npm): 1.123.48, 2.22.4, 2.21.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
n8n	n8n	before 1.123.48; 2.0.0-rc.0 to before 2.21.8; 2.22.0 to before 2.22.4	1.123.48, 2.21.8, 2.22.4	Patch available	CNA
—	n8n (npm)	before 1.123.48	1.123.48	Patch available	GHSA-9pq8-m8gp-4p53
—	n8n (npm)	2.22.0 to before 2.22.4	2.22.4	Patch available	GHSA-9pq8-m8gp-4p53
—	n8n (npm)	2.0.0-rc.0 to before 2.21.8	2.21.8	Patch available	GHSA-9pq8-m8gp-4p53

n8n Vendorn8n Affected before 1.123.48; 2.0.0-rc.0 to before 2.21.8; 2.22.0 to before 2.22.4 Fixed in 1.123.48, 2.21.8, 2.22.4 Patch available CNA
n8n (npm) Vendor— Affected before 1.123.48 Fixed in 1.123.48 Patch available GHSA-9pq8-m8gp-4p53
n8n (npm) Vendor— Affected 2.22.0 to before 2.22.4 Fixed in 2.22.4 Patch available GHSA-9pq8-m8gp-4p53
n8n (npm) Vendor— Affected 2.0.0-rc.0 to before 2.21.8 Fixed in 2.21.8 Patch available GHSA-9pq8-m8gp-4p53

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:n8n:n8n::::::node.js::*	before 1.123.48; 2.0.0 to before 2.21.8; 2.22.0 to before 2.22.4	Vulnerable	n8n

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* Versions before 1.123.48; 2.0.0 to before 2.21.8; 2.22.0 to before 2.22.4 Vulnerable ·n8n

Remediation

Fix · CNA n8n (n8n-io) Fixed in 1.123.48, 2.21.8, 2.22.4
Fix · GHSA-9pq8-m8gp-4p53 n8n (npm) Fixed in 1.123.48 Advisory →
Fix · GHSA-9pq8-m8gp-4p53 n8n (npm) Fixed in 2.22.4 Advisory →
Fix · GHSA-9pq8-m8gp-4p53 n8n (npm) Fixed in 2.21.8 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-49444
2026-10-03 Alias added: GHSA-9pq8-m8gp-4p53

References

Advisory 2

Other 1

https://github.com/n8n-io/n8n

TI-2025-42131 n8n Vulnerable to Remote Code Execution via Expression Injection KEVCVSS 3.1CRITICAL 10.0
TI-2026-17560 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling CVSS 3.1CRITICAL 10.0
TI-2026-01167 Authenticated users can bypass the Expression sandbox mechanism to achieve full remote… CVSS 3.1CRITICAL 9.9
TI-2026-00644 Sandbox escape in n8n Python task runner allows for arbitrary code execution on the underlying host. CVSS 3.1CRITICAL 9.9
TI-2025-35293 An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3… CVSS 3.1HIGH 8.8
TI-2023-12275 The n8n package 0.218.0 for Node.js allows Escalation of Privileges. CVSS 3.1HIGH 8.8

See all 178 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences