PT-2026-103790 · N8N Io · N8N

Nlgbao1340

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CVE-2026-103257

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Published

2026-10-01

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Updated

2026-10-01

CVSS v3.1

7.7

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
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.

Fix

Path traversal

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Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-103257

Affected Products

N8N