CVE-2026-56213 – Capgo – Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC

CVE ID :CVE-2026-56213

Published : June 20, 2026, 12:14 a.m. | 1 hour, 28 minutes ago

Description :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.

Severity: 6.9 | MEDIUM

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