{"id":"CVE-2026-56213","state":"PUBLISHED","title":"Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC","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.","publishedAt":"2026-06-20T00:14:36.846Z","updatedAt":"2026-06-22T14:22:44.430Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Capgo Capgo"],"affected":[{"vendor":"Capgo","product":"Capgo","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"12.128.2","versionType":"semver"},{"version":"12.128.2","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/Cap-go/capgo/security/advisories/GHSA-g4hx-x8gc-x6rw","https://www.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-metrics-poisoning-via-upsert-version-meta-rpc"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/56xxx/CVE-2026-56213.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56213","state":"PUBLISHED","datePublished":"2026-06-20T00:14:36.846Z","dateUpdated":"2026-06-22T14:22:44.430Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-19T21:43:24.737Z"},"containers":{"cna":{"title":"Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC","descriptions":[{"lang":"en","value":"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. 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