CVE-2026-44791 — n8n: XML Node Prototype Pollution Patch Bypass

CVE-2026-44791

n8n: XML Node Prototype Pollution Patch Bypass PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
n8n-io / n8n	affected < 1.123.43; affected >= 2.0.0-rc.0, < 2.20.7; affected >= 2.21.0, < 2.21.1

CWE

CWE-1321

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-wrwr-h859-xh2r

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.