CVE-2025-71327

Flowise - Authentication Bypass via Unprotected Registration Endpoint

Published Jun 25, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Flowise - Authentication Bypass via Unprotected Registration Endpoint
First Time appeared Flowiseai
Flowiseai flowise
Weaknesses CWE-306
CPEs cpe:2.3:a:flowiseai:flowise:3.0.1:*:*:*:*:*:*:*
Vendors & Products Flowiseai
Flowiseai flowise
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 26, 2026, 12:46 PM
Reserved
Jun 8, 2026, 8:44 PM
Status
Analyzed
Published
Jun 25, 2026, 10:16 PM
Modified
Oct 12, 2026, 9:10 PM