CVE-2026-103254
n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via Resume URL Generation
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | n8n-io |
| Product | n8n |
| Published | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
n8n-io / n8n
0 < 1.123.80 2.0.0 < 2.39.6 2.40.0 < 2.40.1
References
Credits
🔍 tr4ce-ju