CVE-2026-56213 — Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC
Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthentica…
Published: 2026-06-20 · CVSS: 6.9 · CVSS 4.0
Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into version_meta for any app_id. Attackers can exploit this by calling the RPC endpoint with a public anon key to poison storage metrics, causing persistent false data in dashboards and triggering incorrect alerts across victim applications.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7