Security Advisory
CVE-2026-56296
5.3
MEDIUM
Vulnerability 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.
Published Date
July 11, 2026
Official Source
NIST NVD Advisory