CVE-2026-25052— n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: NVD (National Vulnerability Database)
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
II. Public POCs 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
- CVE-2026-42237
n8n: SQL Injection in Snowflake and MySQL Nodes - CVE-2026-42236
n8n: Unauthenticated Denial of Service via MCP Client Regist - CVE-2026-42235
n8n: XSS via MCP OAuth client - CVE-2026-42234
n8n: Python Task Runner Sandbox Escape - CVE-2026-42233
n8n: SQL Injection in Oracle Database Node via Limit Field
Same vendor: n8n-io
- CVE-2026-42237
n8n: SQL Injection in Snowflake and MySQL Nodes - CVE-2026-42236
n8n: Unauthenticated Denial of Service via MCP Client Regist - CVE-2026-42235
n8n: XSS via MCP OAuth client - CVE-2026-42234
n8n: Python Task Runner Sandbox Escape - CVE-2026-42233
n8n: SQL Injection in Oracle Database Node via Limit Field
Same weakness: CWE-367
- CVE-2026-42344
FastGPT: DNS rebinding TOCTOU bypass in isInternalAddress al - CVE-2026-44694
n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API clien - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2026-34354
Akamai Guardicore Platform Agent 安全漏洞 - CVE-2026-41002
VMware Spring Cloud Config 安全漏洞
V. Comments for CVE-2026-25052
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