{"affected":[{"defaultStatus":"unaffected","product":"openemr","source":"CNA: VulnCheck","vendor":"openemr","versions":[{"lessThan":"8.5.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.5.0","versionType":"semver"}]}],"cveId":"CVE-2026-126439","cwes":["CWE-862"],"description":"OpenEMR before 8.5.0 contains a missing authorization vulnerability in ccdaservice/ccda_gateway.php that fails to enforce the patients/pat_rep permission, accepting any authenticated core session. Authenticated users without patient-report permission can request the report_ccd_view action to retrieve the selected patient's C-CDA clinical summary, including diagnoses, medications, laboratory results, and identifiers.","epss":{"date":"2026-11-13","percentile":0.25392,"score":0.0032},"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},{"score":6,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/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":5.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794586711603,"publishedAt":1794562520845,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-7cfr-7h7r-f2x9"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-authorization-bypass-via-c-cda-gateway-ccda-gateway-php"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/openemr/openemr/security/advisories/GHSA-7cfr-7h7r-f2x9"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-authorization-bypass-via-c-cda-gateway-ccda-gateway-php"}],"remediation":[],"revision":"651a36049f4d3acc50d513a981ea16a396abed28cb1c2f9c364d4f1663dd5971","sources":[{"modifiedAt":1794585393102,"name":"CNA: VulnCheck","retrievedAt":1794586226087,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126439"},{"modifiedAt":1794586711603,"name":"NVD","retrievedAt":1794593939041,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126439"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794586251100,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-126439"}],"ssvc":{"assessedAt":1794583805813,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"OpenEMR before 8.5.0 Authorization Bypass via C-CDA Gateway ccda_gateway.php","updatedAt":1794593939041}