How severe is CVE-2026-21893?

CVE-2026-21893 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21893?

CVE-2026-21893 affects N8n. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21893?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21893 have an EU (EUVD) identifier?

Yes. CVE-2026-21893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5369.

When was CVE-2026-21893 published?

CVE-2026-21893 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2026-21893

CVE-2026-21893 is a high-severity vulnerability in N8n with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 9.4
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5369
Weakness: CWE-20
Affected product: N8n
Published: 2026-02-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-21893?: 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.
How severe is CVE-2026-21893?: CVE-2026-21893 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21893?: CVE-2026-21893 affects N8n. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21893 have an EU (EUVD) identifier?: Yes. CVE-2026-21893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5369.
When was CVE-2026-21893 published?: CVE-2026-21893 was published on 2026-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*

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