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CVE-2026-46440— Flowise: Basic Auth Credentials Exposed via API

AI Predicted 5.3 Difficulty: Easy EPSS 0.25% · P16

Affected Version Matrix 1

VendorProductVersion RangeStatus
FlowiseAIFlowise< 3.1.2affected
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I. Basic Information for CVE-2026-46440

Vulnerability Information
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Vulnerability Title
Flowise: Basic Auth Credentials Exposed via API
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, the checkBasicAuth endpoint validates credentials in plaintext without rate limiting and with direct comparison. This issue has been patched in version 3.1.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的凭证保护机制
Source: NVD (National Vulnerability Database)
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 3.1.2之前版本存在安全漏洞，该漏洞源于checkBasicAuth端点以明文验证凭据且无速率限制，可能导致凭据泄露。
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

VendorProductAffected VersionsCPESubscribe
FlowiseAIFlowise < 3.1.2 -

II. Public POCs for CVE-2026-46440

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III. Intelligence Information for CVE-2026-46440

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Vendor Advisories for CVE-2026-46440 (1)

Vendor Pages for CVE-2026-46440 (1)

Same Patch Batch · FlowiseAI · 2026-06-08 · 14 CVEs total

CVE-2026-42862Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignm
CVE-2026-42861Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reass
CVE-2026-42863Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow Reas
CVE-2026-46476Flowise: CustomTemplate create+update mass-assignment allows cross-workspace template take
CVE-2026-46479Flowise: Evaluation create+update mass-assignment allows cross-workspace evaluation takeov
CVE-2026-46475Flowise: Assistant create+update mass-assignment allows cross-workspace assistant takeover
CVE-2026-46444Flowise: Vector Store No Permission Checks
CVE-2026-46478Flowise: DatasetRow create+update mass-assignment allows cross-workspace row takeover
CVE-2026-46442Flowise: Authenticated Host RCE via POST /api/v1/node-custom-function and NodeVM Sandbox E
CVE-2026-46477Flowise: Dataset create+update mass-assignment allows cross-workspace dataset takeover
CVE-2026-46480Flowise: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover
CVE-2026-46443Flowise: Credential Data Leak
CVE-2026-46441Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reas

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-522

V. Comments for CVE-2026-46440

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