Vulnerability · Published Jun 23, 2026 · Assigned by GitHub_M

CVE-2026-49444n8n: Python sandbox escape

High 7.1

In plain English

A high-severity improper input validation in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.4%top 67.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	n8n	1.123.48	GHSA-9pq8-m8gp-4p53
npm	n8n	2.22.4	GHSA-9pq8-m8gp-4p53
npm	n8n	2.21.8	GHSA-9pq8-m8gp-4p53

Affected products (as reported)

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

Weakness: CWE-20 · Vector: 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

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