Medium severity · published Jul 8, 2026
CVE-2026-59253
n8n - Improper Authorization in Workflow Assignment to Folders
5.0
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n
before 2.28.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59253
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59253
Mitigation
https://github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg
Third Party Advisory
https://www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders
More from n8n
8.8
CVE-2025-68613
n8n Vulnerable to Remote Code Execution via Expression Injection
10.0
CVE-2026-54309
n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions
10.0
CVE-2026-21858
n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling
9.9
CVE-2026-85165
n8n before 2.36.2 Expression Sandbox Bypass via SpreadElement
9.9
CVE-2026-72765
n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape