---
id: CVE-2026-114393
title: Trudesk through 1.2.11 Authorization Bypass via Ticket Update API Endpoints
summary: >-
  Trudesk through 1.2.11 contains an authorization bypass vulnerability that
  allows any authenticated user to modify tickets outside their groups via PUT
  /api/v1/tickets/:id and PUT /api/v2/tickets/batch. Attackers can supply
  arbitrary tic…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: polonel
product: trudesk
affected:
  - trudesk <= 1.2.11
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T12:39:48.745Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-114393'
references:
  - url: 'https://hackmd.io/@leediay/multiple-vuln-trudesk-1211'
  - url: >-
      https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/tickets.js#L767-L883
  - url: >-
      https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v2/tickets.js#L167-L197
  - url: 'https://github.com/polonel/trudesk'
  - url: >-
      https://www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-ticket-update-api-endpoints
    label: >-
      VulnCheck Advisory: Trudesk through 1.2.11 Authorization Bypass via Ticket
      Update API Endpoints
tags:
  - cve.org
ingestedAt: '2026-10-21T12:48:53.656Z'
---

## Overview

Trudesk through 1.2.11 contains an authorization bypass vulnerability that allows any authenticated user to modify tickets outside their groups via PUT /api/v1/tickets/:id and PUT /api/v2/tickets/batch. Attackers can supply arbitrary ticket ObjectIds to change status, subject, group, priority or assignee, or mass-close tickets, since only the default tickets:update role grant is checked.

## Affected

- `trudesk <= 1.2.11`

## Remediation

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