CVE-2026-21893
Last modified
CVE-2026-21893 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.34% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| N8n | N8n | >= 0.187.0, < 1.120.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-21893?
How severe is CVE-2026-21893?
How do I fix CVE-2026-21893?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-21887OpenCTI is an open source platform for managing cyber threat…7.7
- CVE-2026-21888NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging …7.5
- CVE-2026-21889Weblate is a web based localization tool. Prior to 5.15.2, t…7.5
- CVE-2026-2189A vulnerability was identified in itsourcecode School Manage…9.8
- CVE-2026-21891ZimaOS is a fork of CasaOS, an operating system for Zima dev…9.8
- CVE-2026-21892Parsl is a Python parallel scripting library. A SQL Injectio…7.3
- CVE-2026-21894n8n is an open source workflow automation platform. In versi…6.5
- CVE-2026-21895The `rsa` crate is an RSA implementation written in rust. Pr…5.3
- CVE-2026-21896Kirby is an open-source content management system. From vers…5.7
- CVE-2026-21897CryptoLib provides a software-only solution using the CCSDS …7.3
- CVE-2026-21898CryptoLib provides a software-only solution using the CCSDS …8.2
- CVE-2026-21899CryptoLib provides a software-only solution using the CCSDS …4.9
Are you affected by CVE-2026-21893?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST