{"id":"CVE-2026-124453","published":"2026-11-08T14:18:12.790","lastModified":"2026-11-10T21:46:29.627","description":"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.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h","tags":[]},{"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-idor-in-portal-patient-settings-via-persist-php","tags":[]}],"exploitRefs":[{"url":"https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h","tags":[]}],"hasPoc":true,"ai":null}