CVE-2026-126322

CVSS 8.6 (high) · published 2026-11-13

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.

Weakness: CWE-502

Source: NVD CVE-2026-126322

References

• https://github.com/openemr/openemr/security/advisories/GHSA-r52j-mq9p-mh85
• https://www.vulncheck.com/advisories/openemr-before-8.3.0-unsanitized-deserialization-via-patient-match-dialog-php

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