{"id":"CVE-2026-124456","title":"OpenEMR before 8.3.0 Missing Authorization and IDOR in Prior-Authorizations Module","summary":"OpenEMR before 8.3.0 contains missing authorization and insecure direct object reference vulnerabilities in the oe-module-prior-authorizations module that allow authenticated low-privilege users to access and modify other patients' recor…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"openemr","product":"openemr","affected":["openemr < 8.3.0"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T13:15:45.133Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-124456","references":[{"url":"https://github.com/openemr/openemr/security/advisories/GHSA-9cgf-m88m-9cvx","label":"GitHub Security Advisory (GHSA-9cgf-m88m-9cvx)"},{"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-missing-authorization-and-idor-in-prior-authorizations-module","label":"VulnCheck Advisory: OpenEMR before 8.3.0 Missing Authorization and IDOR in Prior-Authorizations Module"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T13:50:34.977Z","slug":"CVE-2026-124456","body":"## Overview\n\nOpenEMR before 8.3.0 contains missing authorization and insecure direct object reference vulnerabilities in the oe-module-prior-authorizations module that allow authenticated low-privilege users to access and modify other patients' records. Attackers can request public/reports/list_report.php to view all patients' names, MRNs, insurance and prior-auth data, or submit arbitrary id values to public/index.php to overwrite other patients' prior-authorization records.\n\n## Affected\n\n- `openemr < 8.3.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}