CVE-2026-42232

critical · 9.4

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the XML Node leading to RCE when combined with other nodes exploiting the prototype pollution. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

9.4

CVSS

0.5%

EPSS (exploit prob.)

40th

EPSS percentile

2026-05-04

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-1321

Affected products

Vendor	Product	Affected versions
n8n	n8n	< 1.123.32
n8n	n8n	>= 2.17.0, < 2.17.4
n8n	n8n	2.18.0

Check a specific version with /api/v1/cve/match.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-hqr4-h3xv-9m3r

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-42232