CVE-2026-42231

GHSA-q5f4-99jv-pgg5 — n8n XML Webhook Prototype Pollution → RCE CVE: CVE-2026-42231 Severity: Critical CVSS 10.0 Affected: n8n element. xml2js 0.6.2 uses Object.defineProperty with a data descriptor to set element keys on parsed objects. Because is always , wraps the value in an array and stores ...