CVE-2026-56284
MEDIUMCapgo - Unauthenticated Metrics Disclosure via get_total_metrics RPC
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-h5jf-xgvh-hgjw)
https://github.com/Cap-go/capgo/security/advisories/GHSA-h5jf-xgvh-hgjw
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Unauthenticated Metrics Disclosure via get_total_metrics RPC
https://www.vulncheck.com/advisories/capgo-unauthenticated-metrics-disclosure-via-get-total-metrics-rpc
Scores
CVSS v3
5.3
EPSS
0.0021
EPSS Percentile
11.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (2)
Cap-go/capgo
< 12.128.2
Cap-go/capgo
12.128.2
Published
Jul 08, 2026
Tracked Since
Jul 08, 2026