CVE-2026-124453

CVSS 7.1 (high) · published 2026-11-08

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.

Weakness: CWE-639

Source: NVD CVE-2026-124453

References

• https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h
• https://www.vulncheck.com/advisories/openemr-before-8.3.0-idor-in-portal-patient-settings-via-persist-php
• https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h

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