Critical 9.8Published Oct 16, 2026

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

Updated under an hour ago (Oct 28, 2026, 1:23 PM ET)

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It affects canove whaticket-community. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.58%, higher than 47% of scored CVEs.

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Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-269
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.58% (percentile 47)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 16, 2026

Affected products

Affected products

canove whaticket-community canove:whaticket_community (from the name)	through cf047955a6f0d07002ed89c67d765c28d06f8d52	CNA record

References

References

https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor	third-party-advisory
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65	technical-description
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48	technical-description
https://github.com/canove/whaticket-community	product
https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.