PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-111708 canove CVE debrief

CVE-2026-111708 is a critical authentication bypass vulnerability in WhaTicket Community through commit cf04795, allowing unauthenticated attackers to self-register as administrators via POST /auth/signup. This vulnerability has a CVSS score of 9.3 and is considered critical. The vulnerability allows attackers to omit the profile field or set it to admin, gaining user management, settings, and access to all tickets, contacts, messages, and WhatsApp connections. Defenders should assess exposure and take immediate action to remediate the vulnerability.

Vendor
canove
Product
whaticket-community
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-16
Advisory published
2026-10-16
Advisory updated
2026-10-16

Who should care

Defenders and administrators of WhaTicket Community installations should assess exposure and take immediate action to remediate the vulnerability. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Why it matters

CVE-2026-111708 is a critical authentication bypass vulnerability in WhaTicket Community that allows unauthenticated attackers to self-register as administrators, potentially leading to unauthorized access and exploitation.

  • Potential unauthorized access to sensitive data and systems
  • Possible elevation of privileges for attackers
  • Risk of exploitation for malicious activities
  • Need for immediate remediation to prevent potential attacks

Technical summary

The vulnerability allows unauthenticated attackers to self-register as administrators via POST /auth/signup, gaining user management, settings, and access to all tickets, contacts, messages, and WhatsApp connections. The affected product is whaticket-community, and the vulnerability is tracked by CVE-2026-111708. The vulnerability allows attackers to omit the profile field or set it to admin. The CVSS score of 9.3 indicates a critical vulnerability that requires immediate attention. Defenders and administrators of WhaTicket Community installations should assess exposure and take immediate action to remediate the vulnerability.

Defensive priority

High priority for immediate assessment and remediation

Recommended defensive actions

  • Assess exposure and verify affected versions
  • Implement compensating controls to restrict access to /auth/signup
  • Monitor for suspicious activity on the /auth/signup endpoint
  • Remediate by updating to a fixed version or applying patches
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability allows attackers to omit the profile field or set it to admin, gaining user management, settings, and access to all tickets, contacts, messages, and WhatsApp connections. The affected product is whaticket-community, and the vulnerability is tracked by CVE-2026-111708.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-111708 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-111708

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-111708 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-111708

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • WhaTicket Community through commit cf04795 Admin Self-Registration via /auth/signup

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/111xxx/CVE-2026-111708.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://hackmd.io/@hieuPenguinnn/whaticket-community-signup-eop-ticket-idor

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/services/UserServices/CreateUserService.ts

    Supplemental source - technical-description

  • Source reference

    Unverified legacy reference

    URL: https://github.com/canove/whaticket-community/blob/cf047955a6f0d07002ed89c67d765c28d06f8d52/backend/src/controllers/UserController.ts

    Supplemental source - technical-description

  • Source reference

    Unverified legacy reference

    URL: https://github.com/canove/whaticket-community

    Supplemental source - product

  • Source reference

    Unverified legacy reference

    URL: https://www.vulncheck.com/advisories/whaticket-community-through-commit-cf04795-admin-self-registration-via-auth-signup

    Supplemental source - third-party-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.