CVE-2026-56235
Capgo - Unauthenticated Cross-Tenant Metrics Disclosure via RPC Functions
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jun 20, 2026
- Updated
- Jun 24, 2026
- Reserved
- Jun 19, 2026
Description
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 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 []).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
capgoCap-go |
|
References
- GHSA Advisory GHSA-gfpq-vphf-6gcmvendor-advisory
- VulnCheck Advisory: Capgo - Unauthenticated Cross-Tenant Metrics Disclosure via RPC Functionsthird-party-advisory
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