CVE-2026-49444

n8n: Python sandbox escape

State: Published
Severity: 7.1 High
Published: Jun 23, 2026
Updated: Jun 23, 2026
Reserved: May 30, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	GitHub_M

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
n8nn8n-io	< 1.123.48Affected >= 2.0.0-rc.0, < 2.21.8Affected >= 2.22.0, < 2.22.4Affected

References

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

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