CVE-2026-44789

critical · 9.4

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 achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

9.4

CVSS

0.5%

EPSS (exploit prob.)

44th

EPSS percentile

2026-06-23

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:H/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	< 1.123.43
n8n	n8n	>= 2.0.0, < 2.20.7
n8n	n8n	>= 2.21.0, < 2.22.1

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

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-44789