{"id":"CVE-2026-126416","kind":"vulnerability","aliases":["CVE-2026-126416"],"related":[],"title":"OpenEMR: low-privilege users can alter other patients' tracker entries","description":"OpenEMR before 8.5.0 contains an improper authorization vulnerability in patient_tracker_status.php that allows low-privilege authenticated users to modify other patients' tracker entries by supplying arbitrary tracker_id values. Attackers can post statustype and roomnum parameters with a valid CSRF token to alter patient-flow status, room assignments, and linked calendar appointment state.","summary":"OpenEMR before 8.5.0 lets a low-privilege logged-in user change other patients' tracker entries by supplying arbitrary tracker_id values to patient_tracker_status.php. An attacker can alter patient-flow status, room assignments, and linked calendar appointment state.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","other","self-hosted"],"not_affected_if":["openemr-8.5.0-or-later"],"how_to_check":"- Check the OpenEMR version in use; versions before `8.5.0` are listed as affected.\n- Review whether patient_tracker_status.php is reachable by low-privilege accounts.","fix":"- OpenEMR: move to `8.5.0` or later, per the NVD description.","status":"open","published_at":"2026-11-13T10:17:47+00:00","first_seen_at":"2026-11-13T10:47:20+00:00","triaged_at":"2026-11-13T10:53:11+00:00","updated_at":"2026-11-13T10:53:11+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-13T10:53:11Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: move to `8.5.0` or later, per the NVD description.","reach":"network","title":"OpenEMR: low-privilege users can alter other patients' tracker entries","impact":"medium","summary":"OpenEMR before 8.5.0 lets a low-privilege logged-in user change other patients' tracker entries by supplying arbitrary tracker_id values to patient_tracker_status.php. An attacker can alter patient-flow status, room assignments, and linked calendar appointment state.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openemr","healthcare","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"Authenticated users alter other patients' tracker, room and appointment data.","analyst_note":"Confirm the affected role and default permissions in the vendor advisory at github.com and the VulnCheck advisory.","how_to_check":"- Check the OpenEMR version in use; versions before `8.5.0` are listed as affected.\n- Review whether patient_tracker_status.php is reachable by low-privilege accounts.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["openemr-8.5.0-or-later"],"who_is_affected":"Clinics and hospitals running OpenEMR before 8.5.0 with low-privilege staff accounts that can reach the patient tracker. Installations on 8.5.0 or later are not affected by this flaw.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000744,"input_tokens":4627,"output_tokens":562,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-126416':14A,17A '-2026':13A,16A '8.5.0':26B,66C 'allow':75C 'alter':7A,52B,106C 'appoint':62B,116C 'arbitrari':43B,89C 'assign':58B,112C 'attack':50B,93C 'authent':79C 'author':70C 'calendar':61B,115C 'chang':36B 'contain':67C 'csrf':103C 'cve':12A,15A 'entri':11A,40B,86C 'flow':55B,109C 'healthcar':18B 'host':23B 'id':45B,91C 'improp':69C 'let':27B 'link':60B,114C 'log':33B 'logged-in':32B 'low':3A,30B,77C 'low-privileg':2A,29B,76C 'modifi':82C 'openemr':1A,19B,24B,64C 'paramet':99C 'patient':9A,38B,54B,84C,108C 'patient-flow':53B,107C 'patient_tracker_status.php':48B,73C 'post':95C 'privileg':4A,31B,78C 'room':57B,111C 'roomnum':98C 'self':22B 'self-host':21B 'state':63B,117C 'status':56B,110C 'statustyp':96C 'suppli':42B,88C 'token':104C 'tracker':10A,39B,44B,85C,90C 'user':5A,35B,80C 'valid':102C 'valu':46B,92C 'vulner':71C","nicknames":[],"mitigations":[],"who_affected":"Clinics and hospitals running OpenEMR before 8.5.0 with low-privilege staff accounts that can reach the patient tracker. Installations on 8.5.0 or later are not affected by this flaw.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","high","openemr","other","selfhosted"],"campaign_type":null,"search_a":"'-126416':14A,17A '-2026':13A,16A 'alter':7A 'cve':12A,15A 'entri':11A 'low':3A 'low-privileg':2A 'openemr':1A 'patient':9A 'privileg':4A 'tracker':10A 'user':5A","search_b":"'8.5.0':26B 'alter':52B 'appoint':62B 'arbitrari':43B 'assign':58B 'attack':50B 'calendar':61B 'chang':36B 'entri':40B 'flow':55B 'healthcar':18B 'host':23B 'id':45B 'let':27B 'link':60B 'log':33B 'logged-in':32B 'low':30B 'low-privileg':29B 'openemr':19B,24B 'patient':38B,54B 'patient-flow':53B 'patient_tracker_status.php':48B 'privileg':31B 'room':57B 'self':22B 'self-host':21B 'state':63B 'status':56B 'suppli':42B 'tracker':39B,44B 'user':35B 'valu':46B","search_c":"'8.5.0':66C 'allow':75C 'alter':106C 'appoint':116C 'arbitrari':89C 'assign':112C 'attack':93C 'authent':79C 'author':70C 'calendar':115C 'contain':67C 'csrf':103C 'entri':86C 'flow':109C 'id':91C 'improp':69C 'link':114C 'low':77C 'low-privileg':76C 'modifi':82C 'openemr':64C 'paramet':99C 'patient':84C,108C 'patient-flow':107C 'patient_tracker_status.php':73C 'post':95C 'privileg':78C 'room':111C 'roomnum':98C 'state':117C 'status':110C 'statustyp':96C 'suppli':88C 'token':104C 'tracker':85C,90C 'user':80C 'valid':102C 'valu':92C 'vulner':71C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-28T02:15:25+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/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-2026-126416","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126416","severity":null,"published_at":"2026-11-13T10:17:47+00:00","modified_at":"2026-11-13T10:17:47+00:00","first_seen_at":"2026-11-13T10:47:20+00:00","fetched_at":"2026-11-13T10:47:20+00:00","note":null}],"documents":[{"id":145075,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-cxjf-fmpw-qc34","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-28T02:15:25+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145076,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-improper-authorization-via-patient-tracker-status-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"}