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CVE-2026-73488— Flowise before 3.1.3 IDOR via customer-default-source endpoint

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.

FlowiseAI Flowise是FlowiseAI公司开源的一款可视化编排语言模型应用流程的工具。 FlowiseAI Flowise 3.1.3之前版本存在授权问题漏洞，该漏洞源于GET /api/v1/organization/customer-default-source端点存在不安全的直接对象引用，可能导致通过操纵customerId参数访问其他客户的支付和个人资料数据，包括电子邮件地址、账户余额、货币类型和账单配置。

CVSS 6.0 · Medium EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
FlowiseAI Flowise < 3.1.3 affected
3.1.3 unaffected
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I. Basic Information for CVE-2026-73488

Vulnerability Information
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Vulnerability Title
Flowise before 3.1.3 IDOR via customer-default-source endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/organization/customer-default-source endpoint that allows authenticated attackers to access other customers' payment and profile data by manipulating the customerId parameter. Attackers can enumerate predictable customer IDs to retrieve sensitive information including email addresses, account balances, currency types, and billing configurations without authorization checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
FlowiseAI Flowise 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlowiseAI Flowise是FlowiseAI公司开源的一款可视化编排语言模型应用流程的工具。 FlowiseAI Flowise 3.1.3之前版本存在授权问题漏洞，该漏洞源于GET /api/v1/organization/customer-default-source端点存在不安全的直接对象引用，可能导致通过操纵customerId参数访问其他客户的支付和个人资料数据，包括电子邮件地址、账户余额、货币类型和账单配置。
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 0 ~ 3.1.3 -

II. Public POCs for CVE-2026-73488

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III. Intelligence Information for CVE-2026-73488

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Vendor Advisories for CVE-2026-73488 (2)

Same Patch Batch · FlowiseAI · 2026-08-13 · 10 CVEs total

CVE-2026-73483 9.4 CRITICAL Flowise before 3.1.3 Sandbox Escape via Puppeteer
CVE-2026-73487 9.0 CRITICAL Flowise before 3.1.3 Prompt Injection RCE via CSV Agent
CVE-2026-73485 9.0 CRITICAL Flowise before 3.1.3 Remote Code Execution via Airtable Agent
CVE-2026-73601 9.0 CRITICAL Flowise before 3.1.3 Remote Code Execution via Custom MCP
CVE-2026-73486 9.0 CRITICAL Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV
CVE-2026-73602 9.0 CRITICAL Flowise before 3.1.3 Sandbox Escape to RCE
CVE-2026-73484 8.6 HIGH Flowise before 3.1.3 Sandbox Escape via Pandas Methods
CVE-2026-73604 6.5 MEDIUM Flowise before 3.1.3 Credential Exposure via API
CVE-2026-73603 6.3 MEDIUM Flowise before 3.1.4 Credential Abuse via Text-to-Speech

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-639

V. Comments for CVE-2026-73488

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