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CVE-2026-21893

7.2 · HIGH

n8n is an open source workflow automation platform.

Published Feb 4, 2026CWE-20EPSS 1.56%

Overview

CVE-2026-21893 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838GitHubgithub.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m

How CyberStrike helps

Frequently asked questions

What is CVE-2026-21893?

CVE-2026-21893 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-21893?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-21893?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-21893?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-21893 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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