CVE-2026-124453High· 7.1▾ TwilightOpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in portal/lib/persist.php that allows authenticated portal patients to write settings for other patients. Attackers can modify the setting_patient parameter …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in portal/lib/persist.php that allows authenticated portal patients to write settings for other patients. Attackers can modify the setting_patient parameter in a JSON POST request to another patient's PID, altering that patient's portal settings such as the portal theme.
openemr < 8.3.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-124447High· 8.1OpenEMR before 8.3.0 IDOR via OnsitePortalActivityController Update Endpoint
CVE-2026-124449Medium· 6.5OpenEMR before 8.4.0 Missing Authorization via FHIR Media and QuestionnaireResponse Routes
CVE-2026-124451Medium· 5.3OpenEMR before 8.4.0 Authorization Bypass via checkUserHasAccessToPatient in SMART on FHIR
CVE-2026-124455Medium· 6.5OpenEMR before 8.3.0 IDOR via Portal OnsiteDocument Pid_Equals Mass-Assignment
CVE-2026-124460Medium· 6.5OpenEMR before 8.3.0 IDOR in Patient Portal PortalPatientController
CVE-2026-124459High· 8.1OpenEMR before 8.3.0 Cross-Patient IDOR via Encounter Form Viewers and Save Handlers