CVE-2026-41271— Flowise: APIChain Prompt Injection SSRF in GET/POST API Chains
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I. Basic Information for CVE-2026-41271
Vulnerability Information
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Vulnerability Title
Flowise: APIChain Prompt Injection SSRF in GET/POST API Chains
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) vulnerability exists in FlowiseAI's POST/GET API Chain components that allows unauthenticated attackers to force the server to make arbitrary HTTP requests to internal and external systems. By injecting malicious prompt templates, attackers can bypass the intended API documentation constraints and redirect requests to sensitive internal services, potentially leading to internal network reconnaissance and data exfiltration. This vulnerability is fixed in 3.1.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
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 3.1.0之前版本存在代码问题漏洞，该漏洞源于POST/GET API Chain组件中的SSRF漏洞，允许未经身份验证的攻击者强制服务器向内部和外部系统发起任意HTTP请求。
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 | < 3.1.0 | - | |
| FlowiseAI | flowise-components | < 3.1.0 | - |
II. Public POCs for CVE-2026-41271
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · FlowiseAI · 2026-04-23 · 18 CVEs total
| CVE-2026-41267 | 8.1 HIGH | Flowise: Improper Mass Assignment in Account Registration Enables Unauthorized Organizatio |
| CVE-2026-41270 | 7.1 HIGH | Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function S |
| CVE-2026-41272 | 7.1 HIGH | Flowise: SSRF Protection Bypass (TOCTOU & Default Insecure) |
| CVE-2026-41269 | 7.1 HIGH | Flowise: File Upload Validation Bypass in createAttachment |
| CVE-2026-41274 | Flowise: Cypher Injection in GraphCypherQAChain | |
| CVE-2026-41273 | Flowise: Unauthenticated OAuth 2.0 Access Token Disclosure via Public Chatflow | |
| CVE-2026-41277 | Flowise: Mass Assignment in DocumentStore Create Endpoint Leads to Cross-Workspace Object | |
| CVE-2026-41264 | Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability | |
| CVE-2026-41137 | Flowise: Code Injection in CSVAgent leads to Authenticated RCE | |
| CVE-2026-41138 | Flowise: Remote code execution vulnerability in AirtableAgent.ts caused by lack of input v | |
| CVE-2026-41279 | Flowise: Unauthenticated TTS endpoint accepts arbitrary credential IDs — enables API credi | |
| CVE-2026-41268 | Flowise: Flowise Parameter Override Bypass Remote Command Execution | |
| CVE-2026-41278 | Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API key | |
| CVE-2026-41275 | Flowise: Password Reset Link Sent Over Unsecured HTTP | |
| CVE-2026-41265 | Flowise: Airtable_Agent Code Injection Remote Code Execution Vulnerability | |
| CVE-2026-41266 | Flowise: Sensitive Data Leak in public-chatbotConfig | |
| CVE-2026-41276 | Flowise: AccountService resetPassword Authentication Bypass Vulnerability |
IV. Related Vulnerabilities
Same product: Flowise
- 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 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-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2026-41271
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