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CVE-2025-55346— Unintended dynamic code execution leads to remote code execution by network attackers

Quick assessment

Affected
CVE-2025-55346
Exploitation
High exploitation probability; assess promptly
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存在安全漏洞，该漏洞源于用户控制的输入流向不安全的动态函数构造函数实现，可能导致在主机环境中执行任意非沙盒JS代码。

CVSS 9.8 · Critical EPSS 18.45% · P97

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

I. Basic Information for CVE-2025-55346

Vulnerability Information
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Vulnerability Title
Unintended dynamic code execution leads to remote code execution by network attackers
Source: CVE Program / CVE List V5
Vulnerability Description
User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Flowise 安全漏洞
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存在安全漏洞，该漏洞源于用户控制的输入流向不安全的动态函数构造函数实现，可能导致在主机环境中执行任意非沙盒JS代码。
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)

Shenlong Deep Dive — AI Deep Analysis

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II. Public POCs for CVE-2025-55346

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III. Intelligence Information for CVE-2025-55346

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IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2025-55346

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