CVE-2026-56245: Cap-Go Capgo

High severity, CVSS 8.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Supabase Capgo before 12.128.2 contains an authorization bypass vulnerability in the SECURITY DEFINER record_build_time RPC function that allows unauthenticated attackers to insert arbitrary build-time records. Attackers can exploit this by calling POST /rest/v1/rpc/record_build_time with a public API key to poison billing and quota data for any organization, enabling resource exhaustion and cross-tenant billing manipulation.

Affected products

• Cap-Go Capgo: before 12.128.2 (fixed in 12.128.2)

Published 2026-06-24. Last modified 2026-06-25.