CVE-2026-73488
Flowise before 3.1.3 IDOR via customer-default-source endpoint
- State
- Published
- Severity
- 6.0 Medium
- Published
- Aug 13, 2026
- Updated
- Aug 13, 2026
- Reserved
- Aug 12, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | 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 | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
FlowiseFlowiseAI |
|
References
- GitHub Security Advisory (GHSA-2364-jh4q-m9vm)vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.3 IDOR via customer-default-source endpointthird-party-advisory
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