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CVE-2026-41278— Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs

Quick assessment

Affected
FlowiseAI Flowise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 3.1.0之前版本存在信息泄露漏洞，该漏洞源于公共聊天流端点返回未清理的完整聊天流对象，包括凭据ID、明文API密钥和密码类型字段。

AI Predicted 8.1 Difficulty: Easy EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-41278

Vulnerability Information
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Vulnerability Title
Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GET /api/v1/public-chatflows/:id endpoint returns the full chatflow object without sanitization for public chatflows. Docker validation revealed this is worse than initially assessed: the sanitizeFlowDataForPublicEndpoint function does NOT exist in the released v3.0.13 Docker image. Both public-chatflows AND public-chatbotConfig return completely raw flowData including credential IDs, plaintext API keys, and password-type fields. This vulnerability is fixed in 3.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Flowise 信息泄露漏洞
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之前版本存在信息泄露漏洞，该漏洞源于公共聊天流端点返回未清理的完整聊天流对象，包括凭据ID、明文API密钥和密码类型字段。
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 -

II. Public POCs for CVE-2026-41278

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III. Intelligence Information for CVE-2026-41278

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Vendor Advisories for CVE-2026-41278 (1)

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-2026-41275 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
CVE-2026-41271 Flowise: APIChain Prompt Injection SSRF in GET/POST API Chains

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-200

V. Comments for CVE-2026-41278

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