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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.58% probability · 47th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Source
- disclosure@vulncheck.com
EPSS moved from 0.6% on 17 October 2026 to 0.6% on 26 October 2026.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.