medium5.3
CVE-2026-56296
Cap-go before 12.128.2 contains an information disclosure vulnerability in the public.transfer_app RPC function that returns distinct error messages for existi…
Impact
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
| Product | Affected versions |
|---|---|
| Cap-Go | before 12.128.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.