CVE-2026-73488

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.

References

https://www.vulncheck.com/advisories/flowise-before-idor-via-customer-default-source-endpoint

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-2364-jh4q-m9vm

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4