{"id":"CVE-2026-126443","kind":"vulnerability","aliases":["CVE-2026-126443"],"related":[],"title":"OpenEMR: missing permission check lets users read patient records","description":"OpenEMR before 8.5.0 contains a missing authorization vulnerability in dynamic_finder_ajax.php that allows authenticated users without patients/demo permission to query patient demographics. Attackers can supply arbitrary patient_data columns via the sColumns parameter to enumerate names, dates of birth, contact details, and Social Security numbers across the practice.","summary":"OpenEMR before 8.5.0 has a missing authorization check in dynamic_finder_ajax.php. An authenticated user without the patients/demo permission can query patient demographics, including names, dates of birth, contact details and Social Security numbers.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","php","runtime","self-hosted"],"not_affected_if":["no-authenticated-users","openemr-8.5.0-or-later"],"how_to_check":"- Check the installed OpenEMR version against the fixed release in the product data; `8.5.0` or later is not affected per the description","fix":"- OpenEMR: upgrade to `8.5.0` or later","status":"open","published_at":"2026-11-13T10:17:51+00:00","first_seen_at":"2026-11-13T10:47:23+00:00","triaged_at":"2026-11-13T10:53:07+00:00","updated_at":"2026-11-13T10:53:07+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-13T10:53:07Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: upgrade to `8.5.0` or later","reach":"network","title":"OpenEMR: missing permission check lets users read patient records","impact":"high","summary":"OpenEMR before 8.5.0 has a missing authorization check in dynamic_finder_ajax.php. An authenticated user without the patients/demo permission can query patient demographics, including names, dates of birth, contact details and Social Security numbers.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["openemr","healthcare","self-hosted","php"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"authenticated users read patient SSNs and contact details","analyst_note":"Confirm the fixed version and check the vendor advisory on github.com for exact affected ranges and any workaround.","how_to_check":"- Check the installed OpenEMR version against the fixed release in the product data; `8.5.0` or later is not affected per the description\n- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["openemr-8.5.0-or-later","no-authenticated-users"],"who_is_affected":"Any OpenEMR installation before 8.5.0 where users hold a login. Users lacking the patients/demo permission can still reach patient demographics through the finder endpoint. Clinics and hosting providers running OpenEMR should look at this first; installs at 8.5.0 or later are not affected.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000731,"input_tokens":4621,"output_tokens":537,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-126443':12A,15A '-2026':11A,14A '8.5.0':25B,57C 'across':99C 'allow':66C 'arbitrari':79C 'attack':76C 'authent':34B,67C 'author':29B,61C 'birth':48B,92C 'check':4A,30B 'column':82C 'contact':49B,93C 'contain':58C 'cve':10A,13A 'data':81C 'date':46B,90C 'demograph':43B,75C 'detail':50B,94C 'dynamic_finder_ajax.php':32B,64C 'enumer':88C 'healthcar':16B 'host':22B 'includ':44B 'let':5A 'miss':2A,28B,60C 'name':45B,89C 'number':54B,98C 'openemr':1A,17B,23B,55C 'paramet':86C 'patient':8A,42B,74C,80C 'patients/demo':38B,70C 'permiss':3A,39B,71C 'php':18B 'practic':101C 'queri':41B,73C 'read':7A 'record':9A 'runtim':19B 'scolumn':85C 'secur':53B,97C 'self':21B 'self-host':20B 'social':52B,96C 'suppli':78C 'user':6A,35B,68C 'via':83C 'vulner':62C 'without':36B,69C","nicknames":[],"mitigations":[],"who_affected":"Any OpenEMR installation before 8.5.0 where users hold a login. Users lacking the patients/demo permission can still reach patient demographics through the finder endpoint. Clinics and hosting providers running OpenEMR should look at this first; installs at 8.5.0 or later are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","high","openemr","php","runtime","selfhosted"],"campaign_type":null,"search_a":"'-126443':12A,15A '-2026':11A,14A 'check':4A 'cve':10A,13A 'let':5A 'miss':2A 'openemr':1A 'patient':8A 'permiss':3A 'read':7A 'record':9A 'user':6A","search_b":"'8.5.0':25B 'authent':34B 'author':29B 'birth':48B 'check':30B 'contact':49B 'date':46B 'demograph':43B 'detail':50B 'dynamic_finder_ajax.php':32B 'healthcar':16B 'host':22B 'includ':44B 'miss':28B 'name':45B 'number':54B 'openemr':17B,23B 'patient':42B 'patients/demo':38B 'permiss':39B 'php':18B 'queri':41B 'runtim':19B 'secur':53B 'self':21B 'self-host':20B 'social':52B 'user':35B 'without':36B","search_c":"'8.5.0':57C 'across':99C 'allow':66C 'arbitrari':79C 'attack':76C 'authent':67C 'author':61C 'birth':92C 'column':82C 'contact':93C 'contain':58C 'data':81C 'date':90C 'demograph':75C 'detail':94C 'dynamic_finder_ajax.php':64C 'enumer':88C 'miss':60C 'name':89C 'number':98C 'openemr':55C 'paramet':86C 'patient':74C,80C 'patients/demo':70C 'permiss':71C 'practic':101C 'queri':73C 'scolumn':85C 'secur':97C 'social':96C 'suppli':78C 'user':68C 'via':83C 'vulner':62C 'without':69C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-28T01:44:28+00:00","kev":null,"cvss_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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126443","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126443","severity":null,"published_at":"2026-11-13T10:17:51+00:00","modified_at":"2026-11-13T10:17:51+00:00","first_seen_at":"2026-11-13T10:47:23+00:00","fetched_at":"2026-11-13T10:47:23+00:00","note":null}],"documents":[{"id":145130,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-79g8-hm7q-xrh4","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-28T01:44:28+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145131,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-via-dynamic-finder-ajax-php-patient-finder","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}