by Kastro
Paper/Archive/CVE-2026-111708

CVE-2026-111708

canove whaticket-community — WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup

EPSS 0.6%public exploitCVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 47.5.475 × 209.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
whaticket-community≤ cf047955a6f0d07002ed89c67d765c28d06f8d52–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploithackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idorwriteupgithub.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65writeupgithub.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48refgithub.com/canove/whaticket-communitywriteupvulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup