OPENEMR · CVE-2026-124489 · Other
NO FIX YET · SEE WHAT TO DO
OpenEMR, an electronic health records system, has a broken access control flaw in its patient portal payment page. A low-privilege logged-in user can change the patient ID parameters to view payment pages and record fraudulent payments for any patient, corrupting billing records.
first public Aug 18, 2026 · 1 source
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Clinics and organisations running self-hosted OpenEMR below 8.3.0 where patient portal users or low-privilege accounts can log in. Installs with no portal or only trusted staff accounts are less exposed.
Not affected if no-portal-users, openemr-8.3.0-or-later
Who cares billing, healthcare, openemr, self-hosted
8.3.0 are affected.portal/portal_payment.php is reachable by portal or low-privilege accounts.8.3.0: move to 8.3.0 or later.OpenEMR before 8.3.0 contains a broken access control vulnerability in portal/portal_payment.php that allows low-privilege authenticated users to bypass billing ACL checks by tampering patient identifiers. Attackers can modify the pid and form_pid parameters to view payment pages and record fraudulent payment receipts for arbitrary patients, corrupting billing records.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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