CVE-2026-56238 Capgo CVE debrief

Who should care

Users of Capgo, especially those with sensitive financial and operational metrics, should be aware of this vulnerability and take steps to protect themselves. This includes updating to version 12.128.2 or later, restricting access to the /rest/v1/global_stats endpoint, and monitoring for suspicious activity on the endpoint.

Technical summary

The vulnerability exists in the Supabase PostgREST global_stats endpoint of Capgo, allowing unauthenticated attackers to read sensitive financial and operational metrics using only the public apikey. Remote attackers can query the /rest/v1/global_stats endpoint to expose MRR, total revenue, plan-tier revenue breakdown, customer counts, and operational telemetry. This vulnerability has a CVSS score of 8.7 and is considered HIGH severity.

Defensive priority

High

Recommended defensive actions

• Update Capgo to version 12.128.2 or later
• Restrict access to the /rest/v1/global_stats endpoint
• Monitor for suspicious activity on the /rest/v1/global_stats endpoint
• Consider implementing additional security measures to protect sensitive financial and operational metrics
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-12T12:16:44.587Z and has not been modified since then. The NVD entry is currently 8.7 HIGH. This information disclosure vulnerability in Capgo's Supabase PostgREST global_stats endpoint allows unauthenticated attackers to read sensitive financial and operational metrics using only the public apikey. The vulnerability exists due to inadequate access controls on the /rest/v1/global_stats endpoint.

Official resources