Critical
CVSS 9.3 Broken Authentication Responsible Disclosure
Disclosure
[redacted] Deep Dive V2
- Existing email: "Password reset link has been sent to your e-mail address." - Non-existing email: "Active user could not be found." No authentication is required. No rate limiting observed (beyond the global IP-based rate limit). reCAPTCHA is not enforced. | support@[redacted].com
- Target
- Gaming Marketplace
- Category
- Broken Authentication
- 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.