CVE-2026-103257

High

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.

SeverityHigh

CVSS7.7

Exploit probability—

ProductN8n

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

n8n-io n8n1.123.80, 2.39.6, 2.40.1 or later

Vendor advisories

github.com/n8n-io/n8n/security/advisories/GHSA-89p4-6h98-c7xm

Affected products

Product	Affected versions	Fixed in
n8n-io n8n	v < 1.123.80, 2.0.0 ≤ v < 2.39.6, 2.40.0 ≤ v < 2.40.1	1.123.80, 2.39.6, 2.40.1

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