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OpenAdvisories
High · 8.1 CVE-2026-126322 EUVD-2026-125198GHSA-h68v-2m4x-x6hr

OpenEMR before 8.3.0 Unsanitized Deserialization via patient_match_dialog.php

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
openemr openemr < 8.3.0 8.3.0

References