CVE-2026-21893

n8n Vulnerable to Command Injection in Community Package Installation

State: Published
Severity: 9.4 Critical
Published: Feb 4, 2026
Updated: Feb 4, 2026
Reserved: Jan 5, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	GitHub_M

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
n8nn8n-io	>= 0.187.0, < 1.120.3Affected

References

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