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 stored DOM cross-site scripting vulnerability in Resource Locator parameter dropdown link handling. Workflow authors can inject malicious script URLs that execute arbitrary JavaScript in the editor origin when other users open the node dropdown and click the external-link icon, with the payload persisting across workflow imports and shares.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 01 Oct 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 stored DOM cross-site scripting vulnerability in Resource Locator parameter dropdown link handling. Workflow authors can inject malicious script URLs that execute arbitrary JavaScript in the editor origin when other users open the node dropdown and click the external-link icon, with the payload persisting across workflow imports and shares. | |
| Title | n8n before 1.123.80, 2.39.6, and 2.40.1 Stored DOM XSS via Resource Locator | |
| First Time appeared |
N8n
N8n n8n |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:* | |
| Vendors & Products |
N8n
N8n n8n |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-01T15:03:30.143Z
Reserved: 2026-09-30T10:52:32.249Z
Link: CVE-2026-103249
No data.
Status : Deferred
Published: 2026-10-01T11:17:18.430
Modified: 2026-10-01T15:17:26.320
Link: CVE-2026-103249
No data.
OpenCVE Enrichment
Updated: 2026-10-01T15:00:12Z
Weaknesses