CVE-2026-103257
n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via n8n Node
- State
- Published
- Severity
- 8.1 High
- Published
- Oct 1, 2026
- Updated
- Oct 1, 2026
- Reserved
- Sep 30, 2026
Description
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 the n8n node that fails to validate resource identifiers. Attackers can craft malicious resource IDs to redirect API calls to unintended resources, allowing unauthorized access to workflows, executions, and credential secrets within the API key's scope.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.1 High | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P | VulnCheck |
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
n8nn8n-io |
|
References
- GitHub Security Advisory (GHSA-89p4-6h98-c7xm)vendor-advisory
- VulnCheck Advisory: n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal via n8n Nodethird-party-advisory
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