CVE-2026-59253
MEDIUM
5.3
CVSS 4.0
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.
Metadata
Severity & Metrics
5.3
MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| n8n | n8n | — | 0 < 2.28.0, 2.28.0 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-639 | cna | Authorization Bypass Through User-Controlled Key |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 5.3 | MEDIUM | 4.0 | cna | 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 |
References (2)
- GitHub Security Advisory (GHSA-2xgm-wc4g-5jvg) https://github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg
- VulnCheck Advisory: n8n - Improper Authorization in Workflow Assignment to Folders https://www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders