{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "8.3.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ebb62eb3036a726314ab3e1c3e9263a41608b17b"
            }
          ],
          "repo": "https://github.com/openemr/openemr",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-r52j-mq9p-mh85"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126322.json"
  },
  "details": "OpenEMR before 8.3.0 contains an unsanitized deserialization vulnerability that allows authenticated attackers to control patient-matching criteria by supplying a crafted serialized key parameter. Attackers can send serialized arrays to interface/orders/patient_match_dialog.php to enumerate patients or force matches that associate lab orders with the wrong patient.",
  "id": "CVE-2026-126322",
  "modified": "2026-11-14T02:30:24.810976381Z",
  "published": "2026-11-13T09:36:10.583Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126322.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/openemr/openemr/security/advisories/GHSA-r52j-mq9p-mh85"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126322"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openemr-before-8.3.0-unsanitized-deserialization-via-patient-match-dialog-php"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenEMR before 8.3.0 Unsanitized Deserialization via patient_match_dialog.php"
}