CVE-2026-111345

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.

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