Is CVE-2026-42231 actively exploited?

No active exploitation of CVE-2026-42231 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42231 be exploited remotely?

Yes. CVE-2026-42231 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42231?

CVE-2026-42231 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-42231

CWE-1321Published: May 4, 2026· Updated: May 6, 2026

8.8

CVSS v3.1

EPSS:0.48%probability of exploitation in 30 daysPercentile:64.9th

Official 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 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.

NVD Source

Technical Analysis

CVE-2026-42231 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.