CVE-2026-59253

EUVD-2026-42268
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.3 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
n8nn8n
𝑥
< 2.28.0
CNA
Common Weakness Enumeration
References
https://github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg
https://www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders