CVE-2026-21893

n8n Vulnerable to Command Injection in Community Package Installation

CVSS 9.4 CRITICALEPSS 1.3%CWE-20 CWE-78

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:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Produtos afetados

n8n-io · n8n

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Referências

https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838 https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m