CVE-2026-111708
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor (third-party-advisory)
- github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f… (technical-description)
- github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f… (technical-description)
- github.com/canove/whaticket-community (product)
- www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-s… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111708?
- CVE-2026-111708 is a critical-severity vulnerability, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-10-16.
- How severe is CVE-2026-111708?
- Critical severity. CVSS v3 base score is 9.8 out of 10.