CVE-2026-103254
Published:October 01, 2026
Updated:October 13, 2026
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in signed resume URL generation for Send-and-Wait approvals. Attackers with workflow creation permissions can mint valid approval URLs for gates in projects they cannot access by exploiting unresolved traversal sequences in caller-controlled node IDs, enabling cross-project approval forgery.
Affected Packages
https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@1.106.3 <n8n@1.123.80Fix Suggestion:
Update to version n8n@1.123.80https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) =n8n@2.40.0 <n8n@2.40.1Fix Suggestion:
Update to version n8n@2.40.1https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@2.0.0 <n8n@2.39.6Fix Suggestion:
Update to version n8n@2.39.6n8n-core (NPM):
Affected version(s) =2.40.0 <2.40.1Fix Suggestion:
Update to version 2.40.1n8n-core (NPM):
Affected version(s) >=2.0.0 <2.39.4Fix Suggestion:
Update to version 2.39.4n8n-core (NPM):
Affected version(s) >=1.105.3 <1.122.47Fix Suggestion:
Update to version 1.122.47Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.28