CVE-2026-111708CWE-269privilege-escalation

CVE-2026-111708

Critical · published October 16, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
46.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.00578 · 46.8th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-10-16T22:17Z
References (6)
https://github.com/canove/whaticket-community · [email protected]https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48 · [email protected]https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65 · [email protected]https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor · [email protected]https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup · [email protected]https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 1%
    epss
  • 16 OCT 17:39Z
    WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup
    cvelistv5
  • 16 OCT 17:39Z
    WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup
    cvelistv5