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n8n - 💡(How to fix) Fix telegram webhook appears to be 403 on self-hosted cloudflared

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Error Message

  • error: none
RAW_BUFFERClick to expand / collapse

Bug Description

{"ok":true,"result":{"url":"https://selfhosted.n8n.network/webhook/16d272af-3d88-4bff-9c5e-931834ff1e53/webhook","has_custom_certificate":false,"pending_update_count":18,"last_error_date":1778246443,"last_error_message":"Wrong response from the webhook: 403 Forbidden","max_connections":40,"ip_address":"x.x.x.x","allowed_updates":["message"]}}

To Reproduce

  1. Add telegram node, trigger on message

Expected behavior

data output to show extracted messages

Debug Info

Debug info

core

  • n8nVersion: 2.19.5
  • platform: docker (self-hosted)
  • nodeJsVersion: 24.14.1
  • nodeEnv: production
  • database: postgres
  • executionMode: regular
  • concurrency: -1
  • license: enterprise (production)
  • consumerId: b5fa2fc3-d769-4ae5-9b64-5576788b4bcd

storage

  • success: none
  • error: none
  • progress: false
  • manual: false
  • binaryMode: filesystem

pruning

  • enabled: true
  • maxAge: 0 hours
  • maxCount: 10000 executions

client

  • userAgent: mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/147.0.0.0 safari/537.36 edg/147.0.0.0
  • isTouchDevice: false

security

  • secureCookie: false

Generated at: 2026-05-08T13:25:34.843Z

Operating System

docker

n8n Version

2.19.5

Node.js Version

whatever bundled

Database

PostgreSQL

Execution mode

main (default)

Hosting

self hosted

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FAQ

Expected behavior

data output to show extracted messages

#request error#file not found#serialization error#model compatibility#GPU setup

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n8n - 💡(How to fix) Fix telegram webhook appears to be 403 on self-hosted cloudflared