{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "12.128.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6685e5f11adef257bf3d085e481f4d8ebcec602e"
            }
          ],
          "repo": "https://github.com/cap-go/capgo",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-cppm-733w-hg86"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56230.json"
  },
  "details": "Capgo before 12.128.2 contains a broken object level authorization vulnerability in middlewareKey() that accepts the client-controlled x-limited-key-id header without validating ownership, allowing authenticated users to adopt cross-tenant limited keys. Attackers can supply another tenant's limited key ID to bypass authorization checks and access unauthorized cross-tenant resources across multiple API endpoints.",
  "id": "CVE-2026-56230",
  "modified": "2026-07-15T01:49:17.773157570Z",
  "published": "2026-06-30T22:08:23.538Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56230.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Cap-go/capgo/security/advisories/GHSA-cppm-733w-hg86"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56230"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/capgo-broken-object-level-authorization-via-x-limited-key-id-header"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Capgo - Broken Object Level Authorization via x-limited-key-id Header"
}