CVE-2026-111708

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/canove/whaticket-community
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65
https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor
https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup
https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor

Configurations

No configuration.

History

16 Oct 2026, 20:17

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor -~~	() https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor -

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-16 20:17

NVD link : CVE-2026-111708

Mitre link : CVE-2026-111708

CVE.ORG link : CVE-2026-111708

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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