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CVE-2025-71338— Flowise through 2.2.7 - Arbitrary File Write to Remote Code Execution via document-store API

Quick assessment

Affected
Flowise Flowise
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FlowiseAI Flowise是FlowiseAI公司开源的一个用于轻松构建 LLM 应用程序的工具。 FlowiseAI Flowise 存在输入验证错误漏洞，该漏洞源于对/api/v1/document-store/loader/process端点中的fileName参数清理不当，可能导致未经身份验证的攻击者利用../序列写入任意文件，覆盖关键文件如package.json，并在应用重启时实现远程代码执行。

CVSS 10.0 · Critical EPSS 1.16% · P66

Affected Version Matrix 1

VendorProduct Version RangeStatus
Flowise Flowise ≤ 2.2.7 affected
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I. Basic Information for CVE-2025-71338

Vulnerability Information
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Vulnerability Title
Flowise through 2.2.7 - Arbitrary File Write to Remote Code Execution via document-store API
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise through 2.2.7 fails to sanitize path segments in the document-store loader endpoint, allowing unauthenticated attackers to write files outside the storage directory. Attackers can use parent-directory sequences to escape the storage directory and overwrite application files loaded at boot for remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
FlowiseAI Flowise 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlowiseAI Flowise是FlowiseAI公司开源的一个用于轻松构建 LLM 应用程序的工具。 FlowiseAI Flowise 存在输入验证错误漏洞，该漏洞源于对/api/v1/document-store/loader/process端点中的fileName参数清理不当，可能导致未经身份验证的攻击者利用../序列写入任意文件，覆盖关键文件如package.json，并在应用重启时实现远程代码执行。
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
Flowise Flowise 0 ~ 2.2.7 -

II. Public POCs for CVE-2025-71338

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7532 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-71338

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Patches & Fixes for CVE-2025-71338 (1)

Vendor Advisories for CVE-2025-71338 (1)

News Coverage for CVE-2025-71338 (1)

Same Patch Batch · Flowise · 2026-06-25 · 8 CVEs total

CVE-2025-71336 9.8 CRITICAL Flowise - Unsandboxed Remote Code Execution via Custom MCP
CVE-2025-71334 9.8 CRITICAL Flowise - Arbitrary File Access via Missing Chat Flow ID Validation
CVE-2025-71327 9.1 CRITICAL Flowise - Authentication Bypass via Unprotected Registration Endpoint
CVE-2025-71328 8.3 HIGH Flowise - Unverified Password Change via Account Settings
CVE-2025-71335 8.1 HIGH Flowise - Session Invalidation Failure After Password Change
CVE-2025-71324 7.5 HIGH Flowise - Arbitrary File Read via chatId Parameter
CVE-2025-71333 Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: Flowise
Same weakness: CWE-73

V. Comments for CVE-2025-71338

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