---
id: CVE-2026-112043
title: calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization
summary: >-
  A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0.
  Impacted is the function createWebhookProcedure of the file
  packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook
  Handler. Executing a manip…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-639
  - CWE-285
vendor: calcom
product: cal.com
affected:
  - cal.com 6.0
  - cal.com 6.1
  - cal.com 6.2.0
  - cal.diy 6.0
  - cal.diy 6.1
  - cal.diy 6.2.0
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T02:30:14.914Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112043'
references:
  - url: 'https://vuldb.com/vuln/421691'
    label: >-
      VDB-421691 | calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure
      authorization
  - url: 'https://vuldb.com/vuln/421691/cti'
    label: 'VDB-421691 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-112043'
    label: CVE-2026-112043 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1009017'
    label: >-
      Submit #1009017 | https://github.com/calcom/ cal.diy
      a46d5f8dd4a9e5a821c7c7f54ef5d2e5999e445d Authorization Bypass
  - url: 'https://github.com/calcom/cal.diy/issues/29982'
  - url: 'https://github.com/calcom/cal.diy/pull/30223'
tags:
  - cve.org
ingestedAt: '2026-10-19T02:58:59.956Z'
---

## Overview

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.

## Affected

- `cal.com 6.0`
- `cal.com 6.1`
- `cal.com 6.2.0`
- `cal.diy 6.0`
- `cal.diy 6.1`
- `cal.diy 6.2.0`

## Remediation

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