CVE-2026-111345 (CVSS 4.3)

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

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

Frequently Asked Questions

What is CVE-2026-111345? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-111345? +

CVE-2026-111345 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-111345? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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