CVE-2026-56296 — Cap-go - App Existence Oracle via Unauthenticated transfer_app RPC
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-exis…
Published: 2026-07-11 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7