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CVE-2025-59527— FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability

Quick assessment

Affected
FlowiseAI 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.

Flowise是FlowiseAI开源的一个用于轻松构建 LLM 应用程序的工具。 Flowise 3.0.5版本存在代码问题漏洞，该漏洞源于/api/v1/fetch-links端点存在服务端请求伪造，可能导致攻击者将服务器用作代理访问内部网络服务。

CVSS 7.5 · High EPSS 5.00% · P92

Possible ATT&CK Techniques 1 AI

T1598.001 · Spearphishing Service
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I. Basic Information for CVE-2025-59527

Vulnerability Information
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Vulnerability Title
FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, a Server-Side Request Forgery (SSRF) vulnerability was discovered in the /api/v1/fetch-links endpoint of the Flowise application. This vulnerability allows an attacker to use the Flowise server as a proxy to access internal network web services and explore their link structures. This issue has been patched in version 3.0.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Flowise 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flowise是FlowiseAI开源的一个用于轻松构建 LLM 应用程序的工具。 Flowise 3.0.5版本存在代码问题漏洞，该漏洞源于/api/v1/fetch-links端点存在服务端请求伪造，可能导致攻击者将服务器用作代理访问内部网络服务。
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
FlowiseAI Flowise = 3.0.5 -

II. Public POCs for CVE-2025-59527

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Qwen3.6-35B-A3B · 6712 chars
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III. Intelligence Information for CVE-2025-59527

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Vendor Pages for CVE-2025-59527 (1)

Same Patch Batch · FlowiseAI · 2025-09-22 · 3 CVEs total

CVE-2025-59528 10.0 CRITICAL Flowise has Remote Code Execution vulnerability
CVE-2025-59434 9.6 CRITICAL Critical Multi-Tenant Variable Disclosure in Flowise Cloud via Custom JavaScript Function

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-918

V. Comments for CVE-2025-59527

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