{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "last_affected": "6.2.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "488573a38503940031a447ac2e5850ff76ca2047"
            }
          ],
          "repo": "https://github.com/blair2004/nexopos",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111637.json"
  },
  "details": "NexoPOS through 6.2.4 contains a missing authentication vulnerability that allows unauthenticated attackers to read accounting transaction records via GET /api/fields/{resource}/{identifier}. Attackers can request transaction field classes like ns.entity-transaction with sequential ids to retrieve names, values, account ids, and descriptions without nexopos.read.transactions permission.",
  "id": "CVE-2026-111637",
  "modified": "2026-10-21T02:30:31.560011938Z",
  "published": "2026-10-16T17:39:08.931Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/Blair2004/NexoPOS"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Blair2004/NexoPOS/blob/v6.2.4/app/Providers/FormsProvider.php#L126-L152"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Blair2004/NexoPOS/blob/v6.2.4/routes/api-base.php#L10-L18"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111637.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@hieuPenguinnn/nexopos-fields-endpoint-unauthenticated-transaction-disclosure"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111637"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/nexopos-through-6.2.4-unauthenticated-transaction-disclosure-via-api-fields-endpoint"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "NexoPOS through 6.2.4 Unauthenticated Transaction Disclosure via /api/fields Endpoint"
}