CVE-2026-21893
HIGH WAF: High
CVSS 7.2
Published: 2026-02-04
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.
WAF Coverage Analysis
Improper Input Validation
Medium WAF Coverage
OWASP: A03:2021 Injection
920xxx - Protocol Enforcement 941xxx - XSS / XXE 942xxx - SQL Injection
OS Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Affected Software
| Vendor | Product | Version |
|---|---|---|
| n8n | n8n | 0.187.0 - 1.120.3 |
References
- github.com (Patch)
- github.com (Vendor Advisory)