OpenEMR before 8.5.0 contains a missing authorization vulnerability in trusted-messages-ajax.php that allows any authenticated core user to send Direct messages without the patients/notes permission. Attackers with zero-ACL accounts can submit chosen recipients and message bodies sent via the clinic's phiMail credentials, impersonating the clinic to deliver fraudulent clinical communications.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126447.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "8.5.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}