CVE-2026-103254EPSS p18.6%
CVE-2026-103254CVE-2026-103254
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 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.
Scoring
| CVSS | 6.3 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N |
| EPSS | 0.28% probability of exploitation · percentile 18.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-06 |