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MemCyber
High CVSS 7.5 Credential Exposure Responsible Disclosure

Disclosure

Svix Webhook Dashboard Token Leak via webhookLogin Query

Finding 1: Svix Webhook Dashboard Token Leak via webhookLogin Query `webhookLogin` GraphQL query'si Svix webhook yonetim platformuna tam erisim saglayan API token ve one-time login URL donduruyor. Bu token ile: - Tum webhook endpoint'leri listelenebilir - Webhook mesaj gecmisi (p

Target
African Payment Gateway
Category
Credential 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.

Similar category

Want the full technical detail?

Named vendor, PoC, remediation — shared under NDA.