CVE-2026-42232
Published:May 04, 2026
Updated:June 25, 2026
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.
Affected Packages
n8n (NPM):
Affected version(s) >=0.0.1 <2.17.4Fix Suggestion:
Update to version 2.17.4n8n (NPM):
Affected version(s) >=0.0.1 <2.18.1Fix Suggestion:
Update to version 2.18.1n8n (NPM):
Affected version(s) >=0.0.1 <1.123.32Fix Suggestion:
Update to version 1.123.32n8n (NPM):
Affected version(s) >=0.0.1 <1.123.32Fix Suggestion:
Update to version 1.123.32n8n (NPM):
Affected version(s) =2.18.0 <2.18.1Fix Suggestion:
Update to version 2.18.1n8n (NPM):
Affected version(s) >=2.17.0 <2.17.4Fix Suggestion:
Update to version 2.17.4Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
LOW
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
EPSS
Base Score:
0.48