CVE-2025-59528— Flowise has Remote Code Execution vulnerability
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I. Basic Information for CVE-2025-59528
Vulnerability Information
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Vulnerability Title
Flowise has Remote Code Execution vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, Flowise is vulnerable to remote code execution. The CustomMCP node allows users to input configuration settings for connecting to an external MCP server. This node parses the user-provided mcpServerConfig string to build the MCP server configuration. However, during this process, it executes JavaScript code without any security validation. Specifically, inside the convertToValidJSONString function, user input is directly passed to the Function() constructor, which evaluates and executes the input as JavaScript code. Since this runs with full Node.js runtime privileges, it can access dangerous modules such as child_process and fs. This issue has been patched in version 3.0.6.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flowise 代码注入漏洞
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版本存在代码注入漏洞，该漏洞源于CustomMCP节点直接执行用户输入的JavaScript代码，可能导致远程代码执行。
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)
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Affected Products
II. Public POCs for CVE-2025-59528
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/zimshk/CVE-2025-59528.yaml | POC Details |
| 2 | CVE-2025-59528 | https://github.com/B1ack4sh/Blackash-CVE-2025-59528 | POC Details |
| 3 | CVE-2025-59528 | https://github.com/Ashwesker/Blackash-CVE-2025-59528 | POC Details |
| 4 | CVE-2025-59528 | https://github.com/Ashwesker/Ashwesker-CVE-2025-59528 | POC Details |
| 5 | Flowise 3.0.5 contains a remote code execution vulnerability caused by unsafe evaluation of user input in the CustomMCP node's convertToValidJSONString function, letting remote attackers execute arbitrary code with full Node.js privileges, exploit requires user input to be processed by the vulnerable node. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-59528.yaml | POC Details |
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-59528
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- Release flowise@3.0.6 · FlowiseAI/Flowise · GitHubx_refsource_MISC
- RCE in Flowise · Advisory · FlowiseAI/Flowise · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2025-59528
Same Patch Batch · FlowiseAI · 2025-09-22 · 3 CVEs total
| CVE-2025-59434 | 9.6 CRITICAL | Critical Multi-Tenant Variable Disclosure in Flowise Cloud via Custom JavaScript Function |
| CVE-2025-59527 | 7.5 HIGH | FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability |
IV. Related Vulnerabilities
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- CVE-2026-8028
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Flowise: Cypher Injection in GraphCypherQAChain - CVE-2026-41264
Flowise: CSV Agent Prompt Injection Remote Code Execution Vu
Same vendor: FlowiseAI
- CVE-2026-8028
FlowiseAI Flowise Endpoint account.service.ts verify informa - CVE-2026-8027
FlowiseAI Flowise User Controller authorization - CVE-2026-8026
FlowiseAI Flowise API Response account.service.ts login info - CVE-2026-41274
Flowise: Cypher Injection in GraphCypherQAChain - CVE-2026-41264
Flowise: CSV Agent Prompt Injection Remote Code Execution Vu
Same weakness: CWE-94
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Aero CMS 0.0.1 PHP Code Injection via posts.php - CVE-2026-8211
codelibs Fess JSP File AdminDesignAction.java update code in
V. Comments for CVE-2025-59528
Anonymous User
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