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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-56245

Supabase Capgo - Unauthenticated Cross-Tenant Build-Time Accounting Poisoning via record_build_time RPC

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cap-go capgo

Default version status: unaffected

  • 0 to < 12.128.2affected
  • 12.128.2unaffected

References