Disclosure
Sandbox Horizon Dashboard Unauthenticated
=== Subdomains (21 via crt.sh) === www.[vendor] - 200 - Laravel + Livewire + Alpine.js (PRODUCTION) api.[vendor] - 403 - API Gateway (Cloudflare protected, IP restricted) sandbox.[vendor] - 200 - Laravel (DEBUG ON, HORIZON OPEN) document.[vendor] - 200 - Postman Documenter (API docs) cdn.[vendor] - 403 - CDN (Cloudf
- Target
- EU Digital Goods Marketplace
- Category
- Admin Panel Exposure
- Channel
- Responsible Disclosure
- Disclosed
- 2026-03
Redaction note
Vendor identity withheld.
This finding is documented here as part of MemCyber’s public disclosure record. The vendor has been anonymized to a sector and region descriptor. Full technical detail — including root cause, reproducible proof-of-concept, remediation guidance, and vendor attribution where granted — is available to qualified prospects under NDA.
Coordinated disclosure
How we handled it.
- Reported to the vendor via Responsible Disclosure with a reproducible proof-of-concept.
- Triage + remediation window coordinated with the vendor security team.
- Fix verified before any public reference.
- This record published only after the embargo period closed.