Critical
CVSS 9.5 JWT Issues Responsible Disclosure
Disclosure
— CVSS 10.0 — JWT Forge → Tüm Merchant API Erişimi
Finding 5 — CVSS 10.0 — JWT Forge → Tüm Merchant API Erişimi JWT Secret: `714a7ea9a0ef4d7886f41fd8b782fa7d` (HS256) Kaynak: GCE sunucu `/var/www/html/proxy/.env` + Cloud Run env var Etkilenen Merchant'lar (SUPER_ADMIN):
- Target
- African Remittance Provider
- Category
- JWT Issues
- Channel
- Responsible Disclosure
- Disclosed
- 2026-04
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.