gcdRadar
archive/Patch now/AIR-2025-0372
closedclosed 17 Nov 2025Patch now2 Disclosed vulnerabilityAI

Flowise authentication bypass using unprotected registration endpoint

Flowise

An unauthenticated attacker could exploit an unprotected registration endpoint in Flowise to create new accounts and bypass authentication. The issue affects on-premise deployments.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

fix status
Fix status unknown
first report
17 Nov 2025
last update
17 Nov 2025

Timeline · 1

  1. 17 Nov 2025GHSA-v5w9-prxf-w882: Flowise has Authentication Bypass Using Unprotected Registration Endpoint (/register)

Sources · 1

Advisories and databases

  1. 2025-11-17

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 17 Nov 2025 · first reported 17 Nov 2025
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:14Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Flowise authentication bypass using unprotected registration endpoint

https://gcdradar.vercel.app/incidents/ghsa-v5w9-prxf-w882-flowise-authentication-bypass-using-unpr · AIR-2025-0372 · closed 2025-11-17

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-11-17
- AI role: Attack on AI
- Products: Flowise

## Summary

An unauthenticated attacker could exploit an unprotected registration endpoint in Flowise to create new accounts and bypass authentication. The issue affects on-premise deployments.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-11-17: GHSA-v5w9-prxf-w882: Flowise has Authentication Bypass Using Unprotected Registration Endpoint (/register) (https://github.com/advisories/GHSA-v5w9-prxf-w882)

## Sources

- 2025-11-17 GitHub Advisory Database: GHSA-v5w9-prxf-w882: Flowise has Authentication Bypass Using Unprotected Registration Endpoint (/register) https://github.com/advisories/GHSA-v5w9-prxf-w882

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

Related

  1. closed
    AI
  2. closed
    Flowise Flowise MCP security bypass leads to RCE

    Patch now · Disclosed · since 14 May 2026

    AI
  3. closed5.3
    Flowise CVE-2026-8027: Authorization bypass in FlowiseAI Flowise user controller handler

    Patch now · Disclosed · since 6 May 2026 · CVE-2026-8027

    AI
  4. closed3.7
    Flowise CVE-2026-8028: Information disclosure vulnerability in FlowiseAI Flowise

    Patch now · Disclosed · since 6 May 2026 · CVE-2026-8028

    AI
  5. closed6.3
    Flowise Flowise API response handler exposes bcrypt password hashes

    Patch now · Disclosed · since 6 May 2026 · CVE-2026-8026

    AI
  6. closed7.5
    Flowise CVE-2026-41275: Cleartext password reset link in Flowise

    Patch now · Disclosed · since 23 Apr 2026 · CVE-2026-41275

    AI