CVE-2026-56213
Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into version_meta for any app_id. Attackers can exploit this by calling the RPC endpoint with a public anon key to poison storage metrics, causing persistent false data in dashboards and triggering incorrect alerts across victim applications.
| CWE | CWE-862 |
| Vendor | capgo |
| Product | capgo |
| Published | Jun 20, 2026 |
Stay Ahead of the Next One
Get instant alerts for capgo capgo
Be the first to know when new medium vulnerabilities affecting capgo capgo are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Capgo / Capgo
0 < 12.128.2
References
Credits
🔍 Judel777