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CVE-2026-59253— n8n - Improper Authorization in Workflow Assignment to Folders

Quick assessment

Affected
n8n n8n
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 2.28.0之前版本存在授权问题漏洞，该漏洞源于授权不当，允许已认证用户通过在工作流创建期间提供特制的请求有效载荷，绕过项目和文件夹授权边界，导致目标项目文件夹结构中的逻辑完整性受损。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.28% · P19

Affected Version Matrix 2

VendorProduct Version RangeStatus
n8n n8n < 2.28.0 affected
2.28.0 unaffected
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I. Basic Information for CVE-2026-59253

Vulnerability Information
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Vulnerability Title
n8n - Improper Authorization in Workflow Assignment to Folders
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 2.28.0之前版本存在授权问题漏洞，该漏洞源于授权不当，允许已认证用户通过在工作流创建期间提供特制的请求有效载荷，绕过项目和文件夹授权边界，导致目标项目文件夹结构中的逻辑完整性受损。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
n8n n8n 0 ~ 2.28.0 -

II. Public POCs for CVE-2026-59253

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III. Intelligence Information for CVE-2026-59253

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Vendor Advisories for CVE-2026-59253 (2)

Same Patch Batch · n8n · 2026-07-08 · 7 CVEs total

CVE-2026-56776 7.4 HIGH n8n - Incorrect OAuth Scope Validation in Workflow Test Run Endpoint
CVE-2026-56778 6.4 MEDIUM n8n - Authorization Bypass in Public API Execution Retry Endpoint
CVE-2026-56359 5.4 MEDIUM n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL
CVE-2026-56775 5.4 MEDIUM n8n - Incorrect OAuth Scope Validation in Evaluation Test Runs Endpoints
CVE-2026-56360 4.0 MEDIUM n8n - Webhook Forgery via Unsigned POST Requests in ZendeskTrigger
CVE-2026-59257 n8n - SQL Injection in MySQL v1 executeQuery Operation via Expression Interpolation

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n
Same weakness: CWE-639

V. Comments for CVE-2026-59253

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