PT-2026-52610 · Flowise · Flowise

Eranv-Eva + 1 · Published 2026-06-25 · Updated 2026-06-25 · CVE-2025-71327

Mitre

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2025-71327

Affected Products

Flowise

References · 3

• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v5w9-prxf-w882 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71327 · Security Note
• https://vulncheck.com/advisories/flowise-authentication-bypass-via-unprotected-registration-endpoint · Note