9.4
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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
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.
Basic Information
ID
CVE-2026-21893
Source
GitHub_M
Published
Feb 4, 2026 at 17:36
Affected Product
Vendor
n8n-io
Product
n8n
Version
>= 0.187.0, < 1.120.3
Affected Versions
n8n-io n8n >= 0.187.0, < 1.120.3