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CVE-2026-46477— Flowise: Dataset create+update mass-assignment allows cross-workspace dataset takeover

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 3.1.2之前版本存在安全漏洞，该漏洞源于数据集创建和更新时的批量赋值问题，可能导致跨工作区数据集接管。

AI Predicted 8.2 Difficulty: Easy EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
FlowiseAI Flowise < 3.1.2 affected
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I. Basic Information for CVE-2026-46477

Vulnerability Information
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Vulnerability Title
Flowise: Dataset create+update mass-assignment allows cross-workspace dataset takeover
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 version 3.1.2, dataset create and update mass-assignment allows cross-workspace dataset takeover. This issue has been patched in version 3.1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
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 3.1.2之前版本存在安全漏洞，该漏洞源于数据集创建和更新时的批量赋值问题，可能导致跨工作区数据集接管。
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 < 3.1.2 -

II. Public POCs for CVE-2026-46477

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-46477

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Vendor Advisories for CVE-2026-46477 (1)

Vendor Pages for CVE-2026-46477 (1)

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

CVE-2026-42862 Flowise: Mass Assignment in Tool Update Endpoint Allows Cross-Workspace Resource Reassignm
CVE-2026-42861 Flowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource Reass
CVE-2026-42863 Flowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow Reas
CVE-2026-46476 Flowise: CustomTemplate create+update mass-assignment allows cross-workspace template take
CVE-2026-46479 Flowise: Evaluation create+update mass-assignment allows cross-workspace evaluation takeov
CVE-2026-46475 Flowise: Assistant create+update mass-assignment allows cross-workspace assistant takeover
CVE-2026-46444 Flowise: Vector Store No Permission Checks
CVE-2026-46478 Flowise: DatasetRow create+update mass-assignment allows cross-workspace row takeover
CVE-2026-46442 Flowise: Authenticated Host RCE via POST /api/v1/node-custom-function and NodeVM Sandbox E
CVE-2026-46480 Flowise: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover
CVE-2026-46440 Flowise: Basic Auth Credentials Exposed via API
CVE-2026-46443 Flowise: Credential Data Leak
CVE-2026-46441 Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reas

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-915

V. Comments for CVE-2026-46477

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