What’s Vulnerable › Vulnerabilities

CVE-2026-111708: WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-16 · updated 2026-10-16
• Weakness: CWE-269

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.

References

• 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

Get alerted when CVE-2026-111708 or the next vulnerability affects your stack