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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00269.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
polonel trudesk unaffected
Version Status Constraints
0 affected ≤ 1.2.11

No data.

No data.

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Project Subscriptions

Vendors Products
Trudesk Project Subscribe
Trudesk Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/polonel/trudesk cve-icon cve-icon
https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/messages.js#L255-L308 cve-icon cve-icon
https://github.com/polonel/trudesk/blob/v1.2.11/src/models/chat/message.js#L70-L101 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/trudesk-conversation-messages-idor cve-icon cve-icon
https://www.vulncheck.com/advisories/trudesk-through-1.2.11-authorization-bypass-via-get-api-v1-messages-conversation-id cve-icon cve-icon
History

Fri, 16 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Trudesk through 1.2.11 Authorization Bypass via GET /api/v1/messages/conversation/:id
First Time appeared Trudesk Project
Trudesk Project trudesk
Weaknesses CWE-639
CPEs cpe:2.3:a:trudesk_project:trudesk:*:*:*:*:*:*:*:*
Vendors & Products Trudesk Project
Trudesk Project trudesk
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T17:08:37.622Z

Reserved: 2026-10-15T20:53:27.866Z

Link: CVE-2026-111345

cve-icon Vulnrichment

Updated: 2026-10-16T16:31:41.106Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:31.980

Modified: 2026-10-16T18:25:45.343

Link: CVE-2026-111345

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T16:30:13Z

Weaknesses