High
CVSS 7.8 CORS Responsible Disclosure
Disclosure
— CORS Origin Reflection on 24+ Microservices (DEV + PRODUCTION)
Finding 1 — CORS Origin Reflection on 24+ Microservices (DEV + PRODUCTION) CVSS: 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) 24 microservices across both development AND production environments reflect arbitrary Origin headers in their Access-Control-Allow-Origin response,
- Target
- African KYC Provider
- Category
- CORS
- 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.