{"id":"CVE-2026-56235","title":"Capgo - Unauthenticated Cross-Tenant Metrics Disclosure via RPC Functions","summary":"Cap-go capgo before 12.128.2 contains an authorization bypass in several Supabase PostgREST RPC functions (get_app_metrics, get_global_metrics, get_total_metrics) that are granted to the anon role without enforcing org membership or perm…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-200"],"vendor":"Cap-go","product":"capgo","affected":["capgo < 12.128.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-06-24T18:01:29.294129Z"},"exploitAvailable":true,"published":"2026-06-20","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:05:40.886Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56235","references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-gfpq-vphf-6gcm","label":"GitHub Security Advisory (GHSA-gfpq-vphf-6gcm)"},{"url":"https://www.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-metrics-disclosure-via-rpc-functions","label":"VulnCheck Advisory: Capgo - Unauthenticated Cross-Tenant Metrics Disclosure via RPC Functions"}],"tags":["cve.org","exploit-available"],"epss":0.00347,"epssPercentile":0.28503,"ingestedAt":"2026-11-08T14:51:22.363Z","slug":"CVE-2026-56235","body":"## Overview\n\nCap-go capgo before 12.128.2 contains an authorization bypass in several Supabase PostgREST RPC functions (get_app_metrics, get_global_metrics, get_total_metrics) that are granted to the anon role without enforcing org membership or permission checks. An unauthenticated attacker using only the public Supabase API key (sb_publishable_*) can query arbitrary org_id values to disclose cross-tenant usage telemetry (MAU, bandwidth, installs, gets), enumerate app IDs for a target org, and determine org existence via an oracle (valid org returns metrics, invalid returns []).\n\n## Affected\n\n- `capgo < 12.128.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}