CVE-2026-42232HIGH 8.8EPSS p37.5%

CVE-2026-42232CVE-2026-42232

Description

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the XML Node leading to RCE when combined with other nodes exploiting the prototype pollution. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.48% probability of exploitation · percentile 37.5% · 2026-06-18T12:00:27Z
Published2026-05-04
Last modified2026-05-06

Underlying weaknesses· 1

CWE-1321

References

  1. https://github.com/n8n-io/n8n/security/advisories/GHSA-hqr4-h3xv-9m3r

1

TypeTargetConfidenceTier
WeaknessImproperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')cwe-13210%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.