{"id":"CVE-2026-126439","kind":"vulnerability","aliases":["CVE-2026-126439"],"related":[],"title":"OpenEMR: missing permission check exposes patient clinical summaries to logged-in users","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.","summary":"OpenEMR before 8.5.0 does not enforce the patient-report permission in its C-CDA gateway, so any logged-in user can request a patient's clinical summary. The summary includes diagnoses, medications, lab results and identifiers.","severity":"medium","cvss":6.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","other","self-hosted"],"not_affected_if":["version-8.5.0-or-later"],"how_to_check":"- Check the OpenEMR version in use; versions before `8.5.0` are affected.\n- Review which accounts lack the patients/pat_rep permission but can still log in.","fix":"- OpenEMR `8.5.0` or later (per the description; the sources do not give further detail).","status":"open","published_at":"2026-11-13T10:17:50+00:00","first_seen_at":"2026-11-13T10:47:22+00:00","triaged_at":"2026-11-13T10:56:36+00:00","updated_at":"2026-11-13T10:56:36+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-13T10:56:36Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR `8.5.0` or later (per the description; the sources do not give further detail).","reach":"network","title":"OpenEMR: missing permission check exposes patient clinical summaries to logged-in users","impact":"medium","summary":"OpenEMR before 8.5.0 does not enforce the patient-report permission in its C-CDA gateway, so any logged-in user can request a patient's clinical summary. The summary includes diagnoses, medications, lab results and identifiers.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openemr","healthcare","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Any logged-in user reads patients' clinical summaries without permission","analyst_note":"Confirm the fixed version and vendor advisory details at the GitHub advisory link; sources give only the 8.5.0 boundary.","how_to_check":"- Check the OpenEMR version in use; versions before `8.5.0` are affected.\n- Review which accounts lack the patients/pat_rep permission but can still log in.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["version-8.5.0-or-later"],"who_is_affected":"Any OpenEMR installation before 8.5.0 with user accounts that lack the patient-report permission. Exposure depends on whether non-clinical or limited staff accounts can log in to the instance.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.00073,"input_tokens":4646,"output_tokens":530,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-126439':16A,19A '-2026':15A,18A '8.5.0':28B,67C 'accept':82C 'action':100C 'authent':84C,87C 'author':71C 'c':40B,108C 'c-cda':39B,107C 'ccd':98C 'ccdaservice/ccda_gateway.php':74C 'cda':41B,109C 'check':4A 'clinic':7A,54B,110C 'contain':68C 'core':85C 'cve':14A,17A 'diagnos':59B,113C 'enforc':31B,78C 'expos':5A 'fail':76C 'gateway':42B 'healthcar':20B 'host':25B 'identifi':64B,118C 'includ':58B,112C 'lab':61B 'laboratori':115C 'log':11A,46B 'logged-in':10A,45B 'medic':60B,114C 'miss':2A,70C 'openemr':1A,21B,26B,65C 'patient':6A,34B,52B,91C,105C 'patient-report':33B,90C 'patients/pat_rep':80C 'permiss':3A,36B,81C,93C 'report':35B,92C,97C 'request':50B,95C 'result':62B,116C 'retriev':102C 'select':104C 'self':24B 'self-host':23B 'session':86C 'summari':8A,55B,57B,111C 'user':13A,48B,88C 'view':99C 'vulner':72C 'without':89C","nicknames":[],"mitigations":[],"who_affected":"Any OpenEMR installation before 8.5.0 with user accounts that lack the patient-report permission. Exposure depends on whether non-clinical or limited staff accounts can log in to the instance.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","medium","openemr","other","selfhosted"],"campaign_type":null,"search_a":"'-126439':16A,19A '-2026':15A,18A 'check':4A 'clinic':7A 'cve':14A,17A 'expos':5A 'log':11A 'logged-in':10A 'miss':2A 'openemr':1A 'patient':6A 'permiss':3A 'summari':8A 'user':13A","search_b":"'8.5.0':28B 'c':40B 'c-cda':39B 'cda':41B 'clinic':54B 'diagnos':59B 'enforc':31B 'gateway':42B 'healthcar':20B 'host':25B 'identifi':64B 'includ':58B 'lab':61B 'log':46B 'logged-in':45B 'medic':60B 'openemr':21B,26B 'patient':34B,52B 'patient-report':33B 'permiss':36B 'report':35B 'request':50B 'result':62B 'self':24B 'self-host':23B 'summari':55B,57B 'user':48B","search_c":"'8.5.0':67C 'accept':82C 'action':100C 'authent':84C,87C 'author':71C 'c':108C 'c-cda':107C 'ccd':98C 'ccdaservice/ccda_gateway.php':74C 'cda':109C 'clinic':110C 'contain':68C 'core':85C 'diagnos':113C 'enforc':78C 'fail':76C 'identifi':118C 'includ':112C 'laboratori':115C 'medic':114C 'miss':70C 'openemr':65C 'patient':91C,105C 'patient-report':90C 'patients/pat_rep':80C 'permiss':81C,93C 'report':92C,97C 'request':95C 'result':116C 'retriev':102C 'select':104C 'session':86C 'summari':111C 'user':88C 'view':99C 'vulner':72C 'without':89C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-28T01:36:18+00:00","kev":null,"cvss_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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126439","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126439","severity":null,"published_at":"2026-11-13T10:17:50+00:00","modified_at":"2026-11-13T10:17:51+00:00","first_seen_at":"2026-11-13T10:47:22+00:00","fetched_at":"2026-11-13T10:47:22+00:00","note":null}],"documents":[{"id":145122,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-7cfr-7h7r-f2x9","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-28T01:36:18+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145123,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-authorization-bypass-via-c-cda-gateway-ccda-gateway-php","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"}