PT-2026-56447 · N8N · N8N

Ho-9 · Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-59253

Mitre

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

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.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-59253

Affected Products

N8N

References · 3

• https://github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-59253 · Security Note
• https://vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders · Note