{"affected":[{"defaultStatus":"unaffected","product":"openemr","source":"CNA: VulnCheck","vendor":"openemr","versions":[{"lessThan":"8.3.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.3.0","versionType":"semver"}]}],"cveId":"CVE-2026-124456","cwes":["CWE-862"],"description":"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' 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.","epss":{"date":"2026-11-10","percentile":0.12535,"score":0.00219},"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},{"score":7.1,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.1,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}],"modifiedAt":1794333324107,"publishedAt":1794143745133,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-9cgf-m88m-9cvx"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-missing-authorization-and-idor-in-prior-authorizations-module"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-9cgf-m88m-9cvx"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-missing-authorization-and-idor-in-prior-authorizations-module"}],"remediation":[],"revision":"bde2728510bf175aa42232bcc3170d0fa2216244b50e72f7db9395488e499d15","sources":[{"modifiedAt":1794333324107,"name":"CNA: VulnCheck","retrievedAt":1794334255028,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124456"},{"modifiedAt":1794147493090,"name":"NVD","retrievedAt":1794161767350,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124456"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794334282021,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-124456"}],"ssvc":{"assessedAt":1794325339260,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"OpenEMR before 8.3.0 Missing Authorization and IDOR in Prior-Authorizations Module","updatedAt":1794334282021}