Cyber Posture

CVE-2026-42231

High

Published: 04 May 2026

Published
04 May 2026
Modified
06 May 2026
KEV Added
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Patch
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CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0027 50.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the xml2js library used to parse XML request bodies in n8n's webhook handler allowed prototype pollution via a crafted XML payload. An…

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authenticated user with permission to create or modify workflows could exploit this to pollute the JavaScript object prototype and, by chaining the pollution with the Git node's SSH operations, achieve remote code execution on the n8n host. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

Security SummaryAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-1321

Affected Products

n8n
n8n
2.18.0 · ≤ 1.123.32 · 2.17.0 — 2.17.4

References