CVE-2026-49444CWE-20

n8n: Python sandbox escape

High · published June 23, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
31.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
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
EPSS
0.00385 · 31.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-23T15:50Z
EPSS history
Timeline
  • 23 JUN 15:50Z
    n8n: Python sandbox escape
    cvelistv5