Moderate severityNVD Advisory· Published Jul 8, 2026· Updated Jul 8, 2026
n8n - Improper Authorization in Workflow Assignment to Folders
CVE-2026-59253
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | < 2.28.0 | 2.28.0 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-2xgm-wc4g-5jvgghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvgghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-59253ghsaADVISORY
- www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-foldersghsathird-party-advisoryWEB
- github.com/n8n-io/n8n/releases/tag/[email protected]ghsaWEB
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