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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
canove whaticket-community unaffected
Version Status Constraints
0 affected ≤ cf047955a6f0d07002ed89c67d765c28d06f8d52

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/canove/whaticket-community cve-icon cve-icon
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts#L29-L48 cve-icon cve-icon
https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts#L23-L65 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup cve-icon cve-icon
History

Fri, 16 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 16 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T19:45:36.979Z

Reserved: 2026-10-16T14:31:22.817Z

Link: CVE-2026-111708

cve-icon Vulnrichment

Updated: 2026-10-16T19:44:55.458Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T18:17:54.933

Modified: 2026-10-16T20:17:22.847

Link: CVE-2026-111708

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T19:30:13Z

Weaknesses