{"id":"CVE-2026-124449","kind":"vulnerability","aliases":["CVE-2026-124449"],"related":[],"title":"OpenEMR: missing access checks let tokens read any patient's documents","description":"OpenEMR before 8.4.0 contains a missing authorization vulnerability in FHIR Media/:uuid and QuestionnaireResponse read routes that skip ACL checks. Non-patient API tokens lacking OpenEMR ACLs can request resources by uuid, bypassing compartment filtering to read any patient's documents and questionnaire responses.","summary":"OpenEMR before 8.4.0 has FHIR Media and QuestionnaireResponse read routes that skip access control checks. A non-patient API token without OpenEMR permissions can fetch any patient's documents and questionnaire responses by UUID.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fhir","healthcare","openemr","other","self-hosted"],"not_affected_if":["fhir-api-disabled","openemr-8.4.0-or-later"],"how_to_check":"- Check the OpenEMR version in the installed application: `8.4.0` or later is not affected by this entry.\n- Confirm whether the FHIR API is enabled and which API tokens exist for non-patient clients.","fix":"- OpenEMR: upgrade to `8.4.0` or later.","status":"open","published_at":"2026-11-08T14:18:12+00:00","first_seen_at":"2026-11-08T14:48:39+00:00","triaged_at":"2026-11-08T14:49:49+00:00","updated_at":"2026-11-08T14:49:49+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-08T14:49:49Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: upgrade to `8.4.0` or later.","reach":"network","title":"OpenEMR: missing access checks let tokens read any patient's documents","impact":"high","summary":"OpenEMR before 8.4.0 has FHIR Media and QuestionnaireResponse read routes that skip access control checks. A non-patient API token without OpenEMR permissions can fetch any patient's documents and questionnaire responses by UUID.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openemr","fhir","healthcare","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"Token holder reads any patient's documents and questionnaire responses.","analyst_note":"Confirm the FHIR API default state and the exact affected route list in the vendor advisory (github.com) and the VulnCheck advisory.","how_to_check":"- Check the OpenEMR version in the installed application: `8.4.0` or later is not affected by this entry.\n- Confirm whether the FHIR API is enabled and which API tokens exist for non-patient clients.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["fhir-api-disabled","openemr-8.4.0-or-later"],"who_is_affected":"Clinics and health organizations that run OpenEMR with the FHIR API enabled and issue API tokens to non-patient clients. Installations on 8.4.0 or later, or without the FHIR API exposed, are not affected by this description.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"yes","severity_if_unknown":"unknown"},"cost_usd":0.000744,"input_tokens":4625,"output_tokens":564,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-124449':14A,17A '-2026':13A,16A '8.4.0':27B,62C 'access':3A,37B 'acl':78C,87C 'api':44B,83C 'author':66C 'bypass':93C 'check':4A,39B,79C 'compart':94C 'contain':63C 'control':38B 'cve':12A,15A 'document':11A,54B,101C 'fetch':50B 'fhir':18B,29B,69C 'filter':95C 'healthcar':19B 'host':24B 'lack':85C 'let':5A 'media':30B,70C 'miss':2A,65C 'non':42B,81C 'non-pati':41B,80C 'openemr':1A,20B,25B,47B,60C,86C 'patient':9A,43B,52B,82C,99C 'permiss':48B 'questionnair':56B,103C 'questionnairerespons':32B,73C 'read':7A,33B,74C,97C 'request':89C 'resourc':90C 'respons':57B,104C 'rout':34B,75C 'self':23B 'self-host':22B 'skip':36B,77C 'token':6A,45B,84C 'uuid':59B,71C,92C 'vulner':67C 'without':46B","nicknames":[],"mitigations":[],"who_affected":"Clinics and health organizations that run OpenEMR with the FHIR API enabled and issue API tokens to non-patient clients. Installations on 8.4.0 or later, or without the FHIR API exposed, are not affected by this description.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["fhir","healthcare","high","openemr","other","selfhosted"],"campaign_type":null,"search_a":"'-124449':14A,17A '-2026':13A,16A 'access':3A 'check':4A 'cve':12A,15A 'document':11A 'let':5A 'miss':2A 'openemr':1A 'patient':9A 'read':7A 'token':6A","search_b":"'8.4.0':27B 'access':37B 'api':44B 'check':39B 'control':38B 'document':54B 'fetch':50B 'fhir':18B,29B 'healthcar':19B 'host':24B 'media':30B 'non':42B 'non-pati':41B 'openemr':20B,25B,47B 'patient':43B,52B 'permiss':48B 'questionnair':56B 'questionnairerespons':32B 'read':33B 'respons':57B 'rout':34B 'self':23B 'self-host':22B 'skip':36B 'token':45B 'uuid':59B 'without':46B","search_c":"'8.4.0':62C 'acl':78C,87C 'api':83C 'author':66C 'bypass':93C 'check':79C 'compart':94C 'contain':63C 'document':101C 'fhir':69C 'filter':95C 'lack':85C 'media':70C 'miss':65C 'non':81C 'non-pati':80C 'openemr':60C,86C 'patient':82C,99C 'questionnair':103C 'questionnairerespons':73C 'read':74C,97C 'request':89C 'resourc':90C 'respons':104C 'rout':75C 'skip':77C 'token':84C 'uuid':71C,92C 'vulner':67C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-09-13T09:36:17+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-2026-124449","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124449","severity":null,"published_at":"2026-11-08T14:18:12+00:00","modified_at":"2026-11-08T14:18:12+00:00","first_seen_at":"2026-11-08T14:48:39+00:00","fetched_at":"2026-11-08T14:48:39+00:00","note":null}],"documents":[{"id":102083,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-6g45-38wc-5wg9","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-09-13T09:36:17+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":102084,"url":"https://www.vulncheck.com/advisories/openemr-before-8.4.0-missing-authorization-via-fhir-media-and-questionnaireresponse-routes","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"}