HomeN8nCVE-2026-21893

CVE-2026-21893

CRITICAL
9.4CVSS
Published: 2026-02-04
Updated: 2026-02-20
AI Analysis

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.

CVSS Metrics

Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
network
Complexity
low
Privileges
high
User Action
none
Confidentiality
undefined
Integrity
undefined
Availability
undefined
Weaknesses
CWE-20CWE-78

Metadata

Primary Vendor
N8N
Published
2/4/2026
Last Modified
2/20/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

n8n : n8n

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CVE-CVE-2026-21893 | CRITICAL Severity | CVEDatabase.com | CVEDatabase.com