CVE-2026-59253
AWAITING NVDn8n 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...
Full CISO analysis pending enrichment.
How severe is it?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-59253?
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.
Is CVE-2026-59253 actively exploited?
No confirmed active exploitation of CVE-2026-59253 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-59253?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-59253?
No CVSS score has been assigned yet.
What are the technical details?
Original Advisory
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.
Weaknesses (CWE)
CWE-639 — Authorization Bypass Through User-Controlled Key: The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
- [Architecture and Design] For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
- [Architecture and Design, Implementation] Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Source: MITRE CWE corpus.