CVE-2026-44789

published 2026-06-23

CVE-2026-44789: 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…

Priority P2 62 critical 9.9 CVSS 3.1

AV N AC L PR L UI N S C C H I H A H

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
n8n-io	n8n	< 1.123.43	1.123.43
n8n-io	n8n	—	—
n8n-io	n8n	—	—
n8n	n8n	< 1.123.43	1.123.43
n8n	n8n	>= 0 < 1.123.43	1.123.43
n8n	n8n	>= 2.0.0 < 2.20.7	2.20.7
n8n	n8n	>= 2.0.0-rc.0 < 2.20.7	2.20.7
n8n	n8n	>= 2.21.0 < 2.22.1	2.22.1
n8n	n8n	>= 2.21.0 < 2.22.1	2.22.1

CVSS provenance

nvd v3.1 9.9 CRITICAL CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvd v4.0 9.4 CRITICAL 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

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-1321