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OpenAdvisories
Critical · 9.4 CVE-2026-44791 EUVD-2026-38485GHSA-wrwr-h859-xh2r

n8n: XML Node Prototype Pollution Patch Bypass

Published Jun 23, 2026 · Updated Jun 23, 2026 · Assigned by GitHub_M

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 bypass the patch for CVE-2026-42232 in the XML node. When combined with other nodes, this could lead to RCE on the n8n host. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

Affected products

VendorProductAffectedFixed
n8n-io n8n < 1.123.43, >= 2.0.0-rc.0, < 2.20.7, >= 2.21.0, < 2.21.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm n8n < 1.123.43 1.123.43 GHSA-wrwr-h859-xh2r
npm n8n >= 2.21.0, < 2.22.1 2.22.1 GHSA-wrwr-h859-xh2r
npm n8n >= 2.0.0-rc.0, < 2.20.7 2.20.7 GHSA-wrwr-h859-xh2r

Advisories 1

References