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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-56296

Cap-go - App Existence Oracle via Unauthenticated transfer_app RPC

Description

Cap-go before 12.128.2 contains an information disclosure vulnerability in the public.transfer_app RPC function that returns distinct error messages for existing versus non-existing app IDs. Unauthenticated attackers can enumerate valid app IDs by observing error message differences when calling transfer_app with only the publishable API key.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cap-go capgo

Default version status: unaffected

  • 0 to < 12.128.2affected
  • 12.128.2unaffected

References