CVE-2026-59253: n8n

Medium severity, CVSS 5.0. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• n8n n8n: before 2.28.0 (fixed in 2.28.0)

Published 2026-07-08. Last modified 2026-07-08.