---
cve: "CVE-2025-71333"
severity: "CRITICAL"
cvss: 9.3
epss: "80%"
vendor: "Flowise"
kev: false
exploited: false
published: "2026-06-25 22:16:59"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T08:58:57+02:00"
---

# CVE-2025-71333

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g>
- <https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-71333) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_