CVE-2025-71327
Flowise - Authentication Bypass via Unprotected Registration Endpoint
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 25, 2026
- Updated
- Jun 26, 2026
- Reserved
- Jun 8, 2026
Description
Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts. Remote attackers can exploit this endpoint to register arbitrary accounts and authenticate to the system, gaining full API access without credentials.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
FlowiseFlowise |
|
References
- GitHub Security Advisory (GHSA-v5w9-prxf-w882)vendor-advisory
- VulnCheck Advisory: Flowise - Authentication Bypass via Unprotected Registration Endpointthird-party-advisory
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