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CVE-2026-56238 Capgo CVE debrief

CVE-2026-56238 is an information disclosure vulnerability in Capgo's Supabase PostgREST global_stats endpoint. Unauthenticated attackers can exploit this to read sensitive financial and operational metrics, including 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. Users of Capgo, especially those with sensitive financial and operational metrics, should be aware of this vulnerability and take steps to protect themselves by updating to version 12.128.2 or later.

Vendor
Capgo
Product
Capgo
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-12
Original CVE updated
2026-07-13
Advisory published
2026-07-12
Advisory updated
2026-07-13

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-56238 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-56238

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-56238 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-56238

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.