CVE-2026-56284 | Capgo (Cap-go/capgo) before 12.128.2 contains an information… | CVSS 5.3 MEDIUM

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.

Metadata

CVE ID: CVE-2026-56284
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-20 01:51 UTC
Published: 2026-07-08 13:48 UTC
Last updated: 2026-07-08 13:48 UTC
Primary CWE: CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
Vendor / Product: Cap-go / capgo
Sources: cve.org · NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products (1)

Vendor	Product	Platform	Versions
Cap-go	capgo	—	0 < 12.128.2, 12.128.2

Weakness (CWE)

CWE	Source	Description
CWE-200	cna	Exposure of Sensitive Information to an Unauthorized Actor

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	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
5.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References (2)

GitHub Security Advisory (GHSA-h5jf-xgvh-hgjw) https://github.com/Cap-go/capgo/security/advisories/GHSA-h5jf-xgvh-hgjw
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