---
id: CVE-2026-111345
title: >-
  Trudesk through 1.2.11 contains an authorization bypass vulnerability that
  allows any authenticated user to read private conversations by supplying
  another conversation's id
summary: >-
  Trudesk through 1.2.11 contains an authorization bypass vulnerability that
  allows any authenticated user to read private conversations by supplying
  another conversation's id. Attackers can request GET
  /api/v1/messages/conversation/:id, w…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-639
vendor: polonel
product: trudesk
affected:
  - trudesk <= 1.2.11
published: '2026-10-15'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T18:25:45.343'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111345'
references:
  - url: 'https://github.com/polonel/trudesk'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/messages.js#L255-L308
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/polonel/trudesk/blob/v1.2.11/src/models/chat/message.js#L70-L101
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@hieuPenguinnn/trudesk-conversation-messages-idor'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-get-api-v1-messages-conversation-id
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00269
epssPercentile: 0.18977
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T16:31:39.984645Z'
ingestedAt: '2026-10-15T22:48:25.454Z'
---

## Overview

Trudesk through 1.2.11 contains an authorization bypass vulnerability that allows any authenticated user to read private conversations by supplying another conversation's id. Attackers can request GET /api/v1/messages/conversation/:id, which lacks participant checks, to obtain full message history plus participants' usernames, full names and email addresses.

## Remediation

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