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CVE-2026-25052— n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users

Quick assessment

Affected
n8n-io 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开源的一个可扩展的工作流自动化工具。 n8n 1.123.18之前版本和2.5.0之前版本存在安全漏洞，该漏洞源于文件访问控制不当，可能导致读取敏感文件、凭据泄露和账户接管。

AI Predicted 8.8 Difficulty: Easy EPSS 0.31% · P23
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I. Basic Information for CVE-2026-25052

Vulnerability Information
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Vulnerability Title
n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users
Source: CVE Program / CVE List V5
Vulnerability Description
n8n is an open source workflow automation platform. Prior to versions 1.123.18 and 2.5.0, a vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the n8n host system. This can be exploited to obtain critical configuration data and user credentials, leading to complete account takeover of any user on the instance. This issue has been patched in versions 1.123.18 and 2.5.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.123.18之前版本和2.5.0之前版本存在安全漏洞，该漏洞源于文件访问控制不当，可能导致读取敏感文件、凭据泄露和账户接管。
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-io n8n < 1.123.18 -

II. Public POCs for CVE-2026-25052

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III. Intelligence Information for CVE-2026-25052

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Same Patch Batch · n8n-io · 2026-02-04 · 10 CVEs total

CVE-2025-61917 7.7 HIGH n8n Unsafe Buffer Allocation Allows In-Process Memory Disclosure in Task Runner
CVE-2026-25056 n8n Arbitrary File Write leading to RCE in n8n Merge Node
CVE-2026-25053 n8n is Vulnerable to OS Command Injection in Git Node
CVE-2026-25055 n8n Arbitrary File Write on Remote Systems via SSH Node
CVE-2026-25051 n8n Improper CSP Enforcement in Webhook Responses May Allow Stored XSS
CVE-2026-25115 n8n is vulnerable to Python sandbox escape
CVE-2026-25054 n8n is Vulnerable to Stored Cross-Site Scripting via Markdown Rendering in Workflow UI
CVE-2026-25049 n8n Has an Expression Escape Vulnerability Leading to RCE
CVE-2026-21893 n8n Vulnerable to Command Injection in Community Package Installation

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-367

V. Comments for CVE-2026-25052

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