{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "10.0.7"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a79bc403164cc291dbcf7b99afbaf6c17cbf1066"
            }
          ],
          "repo": "https://github.com/espocrm/espocrm",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-5729-xq64-4h22"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109957.json"
  },
  "details": "EspoCRM before 10.0.7 contains an insecure direct object reference vulnerability that allows authenticated users with Import scope access to read other users' attachments by supplying a foreign attachmentId to the Import endpoint. Attackers can create an Import record referencing a known attachment ID, then call the error export endpoint to copy source rows into a downloadable CSV they own.",
  "id": "CVE-2026-109957",
  "modified": "2026-10-14T02:30:27.575094502Z",
  "published": "2026-10-13T13:27:20.821Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109957.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/espocrm/espocrm/security/advisories/GHSA-5729-xq64-4h22"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109957"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/espocrm-before-10.0.7-idor-via-import-attachmentid-parameter"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "EspoCRM before 10.0.7 IDOR via Import attachmentId Parameter"
}