CVE-2026-59253

Medium

Description

n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.

SeverityMedium

CVSS5.0

Exploit probability—

Product

N8n

PublishedJul 8, 2026

First seenJul 8, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

n8n n8n2.28.0 or later
n8n2.28.0 or later

Vendor advisories

github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg

Affected products

Product	Affected versions	Fixed in
n8n n8n	v < 2.28.0	2.28.0
n8nnpm	v < 2.28.0	2.28.0

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