OpenEMR before 8.5.0 contains a missing authorization vulnerability in print_referral.php and trend_form.php that allows low-privileged Front Office users to access patient PHI without patients:med permission. Attackers can directly request these endpoints with arbitrary patient_id values to retrieve patient demographics, insurance data, and vitals history, enumerating IDs to expand disclosure.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126471.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "8.5.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}