CVE-2026-56284 Capgo - Unauthenticated Metrics Disclosure via get_total_metrics RPC
Unauthenticated attackers can leak sensitive usage metrics and probe organization existence via an exposed RPC endpoint in Capgo.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56284?
CVE-2026-56284 is a medium-severity vulnerability in Cap-go capgo, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Capgo (Cap-go/capgo) before 12.128.2 contains an information disclosure vulnerability in the Supabase PostgREST RPC function public.get_total_metrics(org_id), which is callable by the anon role using only the public sb_publishable_* key. An unauthenticated attacker can probe organization existence and leak sensitive usage metrics including MAU, bandwidth, and install counts by sending POST requests to /rest/v1/rpc/get_total_metrics with valid organization UUIDs.
Weakness: CWE-200
Which versions are affected by CVE-2026-56284?
How do I fix CVE-2026-56284?
No fix has been published for CVE-2026-56284 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56284 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56284 exists.
Sources
Also known as GHSA-9wm3-r7wr-vg47, GHSA-h5jf-xgvh-hgjw.