WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup

Advisories

WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup

Severity: critical
Date: 10/16/2026
Affecting: whaticket-community <= cf047955a6f0d07002ed89c67d765c28d06f8d52
CVE: CVE-2026-111708
CWE: CWE-269 Improper Privilege Management
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48
https://github.com/canove/whaticket-community
Credit: hieuPenguinnn
Description: WhaTicket Community through commit cf04795 contains an authentication bypass vulnerability that allows unauthenticated attackers to self-register as administrators via POST /auth/signup. Attackers can omit the profile field or set it to admin, gaining user management, settings, and access to all tickets, contacts, messages, and WhatsApp connections.

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