RCE in N8n

CVE-2026-21893

n8n is an open source workflow automation platform. From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality. The issue allowed authenticated users with administrative permissions to execute arbitrary system commands on the n8n host under specific conditions. This issue has been patched in version 1.120.3.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-21893: held from 0.013 to 0.014.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21893?
CVE-2026-21893 is a high-severity vulnerability in N8n, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2026-02-04.
How severe is CVE-2026-21893?
High severity. CVSS v3 base score is 7.2 out of 10.