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Flowise Execute Flow function has an SSRF vulnerability

  • Publicada: 16.04.2026
  • Actualizado: 11.10.2026 10:22

Summary

The attacker provides an intranet address through the base url field configured in the Execute Flow node → Bypass checkDenyList / resolveAndValidate in httpSecurity.ts (not called) → Causes the server to initiate an HTTP request to any internal network address, read cloud metadata, or detect internal network services

Details

<img width="1280" height="860" alt="9a52a74e6fe2fd78e4962d1d68057fc2" src="https://github.com/user-attachments/assets/20df0006-9129-4886-8928-16d19a617c23" />

Then initiate the call:

POST /api/v1/prediction/d6739838-d3b3-43d9-86ff-911a3d757a7e HTTP/1.1
Host: 127.0.0.1:3000
Content-Type: application/json
Authorization: Bearer apikey
Content-Length: 17

{"question": "1"}

Server received a request:

<img width="1432" height="172" alt="f45c757fec408e13739db068252ff21b" src="https://github.com/user-attachments/assets/d3dfe0f5-83ec-4c79-ab32-754382a68d5f" />

And there is an echo:

<img width="1280" height="666" alt="fa0caf0deb306cfeeea8fdf8941a287e" src="https://github.com/user-attachments/assets/55a94d25-120b-4e9c-9517-46c2fc2b667f" />

Fix: Call secureFetch for verification

Impact

This is a Server-Side Request Forgery (SSRF) vulnerability that may lead to the following risks:

  • Explore Internal Web Applications
  • Access sensitive management interfaces
  • Leak internal configuration, credentials, or confidential information

This vulnerability significantly increases the risk of internal service enumeration and potential lateral movement in enterprise environments.

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de npm flowise < 3.1.0 3.1.0
Paquete de npm flowise-components < 3.1.0 3.1.0

Referencias

Puntuación CVSS 7.1/10
Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Debilidad (CWE)
CWE-918
Plataforma
npm
Paquete
flowise, flowise-components
Publicada
16.04.2026
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-9hrv-gvrv-6gf2 - CC BY 4.0

Historial de vulnerabilidades: flowise

Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (114) en el archivo
Entradas en total
114
Primera → última
04.2024 10.2026
Sin corrección
16
Explotada en ataques
0

Distribución por gravedad

  • Crítica 28
  • Alta 62
  • Media 24

Divulgaciones por año

Gravedad:
  1. Flowise Execute Flow function has an SSRF vulnerability esta entrada
    Media · 7.1 CVE-2026-56275 < 3.1.0 3.1.0
  2. Flowise Prompt Injection to RCE and SSRF via CSV/Airtable Agent Python Validator Bypass
    Crítica CVE-2026-73487 < 3.1.3 3.1.3
  3. Flowise NodeVM sandbox escape via puppeteer allowlist - authenticated RCE and arbitrary file read via Chromium
    Crítica CVE-2026-73483 < 3.1.3 3.1.3
  4. Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service
    Crítica CVE-2026-70478 < 3.1.3 3.1.3
  5. Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability
    Crítica CVE-2026-70477 < 3.1.3 3.1.3
  6. Flowise: Broken Access Control in Stripe Subscription Endpoints Allows Cross-Tenant Billing Manipulation
    Alta CVE-2026-70476 < 3.1.3 3.1.3
  7. Flowise: Missing Authorization on Execution Update Endpoint
    Alta CVE-2026-70475 < 3.1.3 3.1.3
  8. Flowise: Cross-Workspace OAuth2 Credential Metadata Leak
    Alta CVE-2026-70474 < 3.1.3 3.1.3
  9. Flowise: Information Disclosure in GET /api/v1/upsert-history returns the entire server-wide upsert history
    Alta CVE-2026-70473 < 3.1.3 3.1.3
  10. Flowise: Cross-workspace credential IDOR in openai-assistants-vector-store
    Alta CVE-2026-70472 < 3.1.3 3.1.3
  11. Flowise: RCE via CSVAgent csvFile data URI base64 segment is interpolated into Python source without validation
    Crítica CVE-2026-69264 < 3.1.3 3.1.3
  12. Flowise: Authenticated arbitrary file write in the `S3 Directory` document loader via unsanitized S3 object keys
    Alta ghsa-88pr-878c-24wf < 3.1.3 3.1.3
  13. Flowise: RBAC Bypass Leading to Unauthorized Workspace Variables Disclosure
    Alta CVE-2026-70471 < 3.1.3 3.1.3
  14. Flowise: Pyodide validator Unicode homoglyph bypass leads to RCE
    Crítica CVE-2026-70470 < 3.1.3 3.1.3
  15. Flowise: CVE-2025-8943 Patch Bypass: npm_config_yes bypasses MCP environment variable blocklist (Unauthenticated RCE)
    Alta CVE-2026-69263 < 3.1.3 3.1.3
  16. Flowise: `DELETE /api/v1/chatflows/:id` does not validate resource type, allowing `agentflows:delete` and `chatflows:delete` to delete each other’s flow type
    Alta CVE-2026-69262 < 3.1.3 3.1.3
  17. Flowise RCE via SQLite Record Manager Node
    Crítica CVE-2026-69259 < 3.1.3 3.1.3
  18. Flowise: Unauthenticated Property Injection into Flow Execution Context via Ungated `overrideConfig` Spread in Prediction API
    Alta CVE-2026-69258 < 3.1.3 3.1.3
  19. Flowise: SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses
    Alta CVE-2026-69257 < 3.1.3 3.1.3
  20. Flowise: Remote Code Execution Vulnerability in CSVAgent
    Crítica CVE-2026-69256 < 3.1.3 3.1.3
  21. Flowise: CSV Agent Remote Code Execution via Pyodide Code Injection — Root Shell Verified
    Crítica CVE-2026-69255 < 3.1.3 3.1.3
  22. Flowise: RCE via NodeVM Sandbox Escape in executeJavaScriptCode() nodeVMOptions Override
    Crítica CVE-2026-69254 < 3.1.3 3.1.3
  23. Flowise Sandbox Escape to RCE
    Crítica CVE-2026-69253 < 3.1.3 3.1.3
  24. Flowise: Missing authorization on `/api/v1/files` allows low-privileged API keys to list and delete files across workspaces within the same organization
    Alta CVE-2026-69252 < 3.1.3 3.1.3
  25. Flowise RCE via TypeORM DataSource
    Crítica CVE-2026-69251 < 3.1.3 3.1.3
  26. Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration
    Alta CVE-2026-69250 < 3.1.3 3.1.3
  27. FlowiseAI: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover
    Alta · 8.8 CVE-2026-46480 < 3.1.2 3.1.2
  28. FlowiseAI: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover
    Alta · 8.8 CVE-2026-46479 < 3.1.2 3.1.2
  29. FlowiseAI: DatasetRow create+update mass-assignment allows cross-workspace row takeover
    Alta · 8.8 CVE-2026-46478 < 3.1.2 3.1.2
  30. FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover
    Alta · 8.8 CVE-2026-46477 < 3.1.2 3.1.2
  31. FlowiseAI: CustomTemplate create+update mass-assignment allows cross-workspace template takeover
    Alta CVE-2026-46476 < 3.1.2 3.1.2
  32. FlowiseAI: Assistant create+update mass-assignment allows cross-workspace assistant takeover
    Alta · 8.8 CVE-2026-46475 < 3.1.2 3.1.2
  33. FlowiseAI: Vector Store No Permission Checks
    Alta · 8.8 CVE-2026-46444 < 3.1.2 3.1.2
  34. FlowiseAI Vulnerable to Credential Data Leak
    Alta CVE-2026-46443 < 3.1.2 3.1.2
  35. FlowiseAI: Authenticated Host RCE via POST /api/v1/node-custom-function and NodeVM Sandbox Escape
    Crítica CVE-2026-46442 < 3.1.2 3.1.2
  36. FlowiseAI has Mass Assignment in Assistant Update Endpoint that Allows Cross-Workspace Resource Reassignment
    Alta CVE-2026-46441 < 3.1.2 3.1.2
  37. Flowise has an MCP Security Bypass that Enables RCE
    Alta CVE-2026-56274 < 3.1.2 3.1.2
  38. FlowiseAI Exposes Basic Auth Credentials via API
    Alta · 7.5 CVE-2026-46440 < 3.1.2 3.1.2
  39. FlowiseAI has Mass Assignment in Chatflow Update Endpoint that Allows Cross-Workspace AgentFlow Reassignment
    Alta CVE-2026-42863 < 3.1.2 3.1.2
  40. FlowiseAI has Mass Assignment in Tool Update Endpoint that Allows Cross-Workspace Resource Reassignment
    Alta CVE-2026-42862 < 3.1.2 3.1.2
  41. FlowiseAI has Mass Assignment in Variable Update Endpoint that Allows Cross-Workspace Resource Reassignment
    Alta CVE-2026-42861 < 3.1.2 3.1.2
Mostrar más (20) Mostrando 41 de 91

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