Capgo - Unauthenticated Cross-Tenant Disclosure via get_current_plan_max_org RPC

Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.get_current_plan_max_org RPC function that allows unauthenticated attackers to retrieve arbitrary organization plan limits. Attackers can call the RPC endpoint with any organization UUID using only the public Supabase key to disclose billing information including MAU, bandwidth, storage, and build time limits for any organization.

Problem type

Improper Authorization

Affected products

Capgo

Capgo

< 12.128.2 - AFFECTED

12.128.2 - UNAFFECTED

References

GitHub Security Advisory (GHSA-v3jp-r95g-x4mm)

https://github.com/Cap-go/capgo/security/advisories/GHSA-v3jp-r95g-x4mm

vendor-advisory

VulnCheck Advisory: Capgo - Unauthenticated Cross-Tenant Disclosure via get_current_plan_max_org RPC

https://www.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-disclosure-via-get-current-plan-max-org-rpc

third-party-advisory

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-56311

Click to expand

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-56311",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-06-22T21:04:47.535Z",
    "dateReserved": "2026-06-20T12:53:19.893Z",
    "datePublished": "2026-06-22T21:04:47.535Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-06-22T21:04:47.535Z"
      },
      "datePublic": "2026-03-17T00:00:00.000Z",
      "title": "Capgo - Unauthenticated Cross-Tenant Disclosure via get_current_plan_max_org RPC",
      "descriptions": [
        {
          "lang": "en",
          "value": "Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.get_current_plan_max_org RPC function that allows unauthenticated attackers to retrieve arbitrary organization plan limits. Attackers can call the RPC endpoint with any organization UUID using only the public Supabase key to disclose billing information including MAU, bandwidth, storage, and build time limits for any organization."
        }
      ],
      "affected": [
        {
          "vendor": "Capgo",
          "product": "Capgo",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "12.128.2"
            },
            {
              "version": "12.128.2",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Improper Authorization",
              "cweId": "CWE-285",
              "type": "CWE"
            }
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      "references": [
        {
          "url": "https://github.com/Cap-go/capgo/security/advisories/GHSA-v3jp-r95g-x4mm",
          "name": "GitHub Security Advisory (GHSA-v3jp-r95g-x4mm)",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-disclosure-via-get-current-plan-max-org-rpc",
          "name": "VulnCheck Advisory: Capgo - Unauthenticated Cross-Tenant Disclosure via get_current_plan_max_org RPC",
          "tags": [
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        }
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Judel777",
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}