CVE-2026-56242 Capgo - Unauthenticated API Key Validity Oracle and User Identity Disclosure via get_identity_apikey_only RPC

Capgo before 12.128.2 contains an unauthenticated security definer RPC function getidentityapikeyonly that returns the owning userid for supplied API keys, creating an API key validity oracle and user identity disclosure primitive. Attackers can call this endpoint with valid or invalid API keys t...