---
id: CVE-2025-71333
title: >-
  Flowise through 2.2.4 contains an unauthenticated arbitrary file upload
  vulnerability in the /api/v1/attachments endpoint when storageType is set to
  local
summary: >-
  Flowise through 2.2.4 contains an unauthenticated arbitrary file upload
  vulnerability in the /api/v1/attachments endpoint when storageType is set to
  local. Attackers can exploit path traversal in the chatId and chatflowId
  parameters to u…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-73
vendor: flowiseai
product: flowise
affected:
  - flowise <= 2.2.4
published: '2026-06-25'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:10:00.223'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71333'
references:
  - url: >-
      https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00902
epssPercentile: 0.58209
ingestedAt: '2026-09-30T17:13:20.776Z'
---

## Overview

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

## Affected

- `flowise <= 2.2.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.