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CVE-2026-44789

N8n vulnerability

9.9 CRITICALEPSS 0.53%
  1. Published23 Jun 2026

Description

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

N8n≥ 2.0.0 < 2.20.7 · ≥ 2.21.0 < 2.22.1 · < 1.123.43

Remediation

Fixed in
N8n≥ 2.20.7

References

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Frequently asked

Is CVE-2026-44789 being actively exploited?

CVE-2026-44789 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.53%.

How severe is CVE-2026-44789?

CVE-2026-44789 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 0.53% probability of exploitation.

Which products are affected by CVE-2026-44789?

Affected products include N8n.

How do I fix CVE-2026-44789?

Upgrade affected software to a fixed version, for example N8n 2.20.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.