{"id":"CVE-2026-126417","kind":"vulnerability","aliases":["CVE-2026-126417"],"related":[],"title":"OpenEMR: claim file endpoint leaks patient clinical documents to billing users","description":"OpenEMR before 8.5.0 contains an access control flaw in get_claim_file.php: with location=tmp, it serves any file in the shared temporary directory without verifying the file is a claim for the caller. Users with acct/eob or acct/bill write access can request key=ccda.xml to download the most recently validated patient's complete C-CDA clinical document.","summary":"OpenEMR before 8.5.0 has an access control flaw in get_claim_file.php: with location=tmp it serves any file in the shared temporary directory without checking it is a claim. A user with billing or EOB write access can download the most recently validated patient's full C-CDA clinical document.","severity":"medium","cvss":6.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","php","runtime","self-hosted"],"not_affected_if":["no-billing-role-users","version-8.5.0-or-later"],"how_to_check":"- Check the OpenEMR version in the installation; versions below `8.5.0` are listed as affected.\n- Look for the file get_claim_file.php in the OpenEMR web tree and confirm whether it is reachable by users with acct/eob or acct/bill access.","fix":"- OpenEMR versions before `8.5.0` are affected; move to `8.5.0` or later.","status":"open","published_at":"2026-11-13T10:17:47+00:00","first_seen_at":"2026-11-13T10:47:20+00:00","triaged_at":"2026-11-13T10:56:40+00:00","updated_at":"2026-11-13T10:56:40+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-13T10:56:40Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR versions before `8.5.0` are affected; move to `8.5.0` or later.","reach":"network","title":"OpenEMR: claim file endpoint leaks patient clinical documents to billing users","impact":"high","summary":"OpenEMR before 8.5.0 has an access control flaw in get_claim_file.php: with location=tmp it serves any file in the shared temporary directory without checking it is a claim. A user with billing or EOB write access can download the most recently validated patient's full C-CDA clinical document.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["openemr","healthcare","self-hosted","php"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"billing users read full patient clinical documents they should not access","analyst_note":"Confirm the fixed version and the vendor advisory at github.com for exact affected ranges; sources do not name the product ranges.","how_to_check":"- Check the OpenEMR version in the installation; versions below `8.5.0` are listed as affected.\n- Look for the file get_claim_file.php in the OpenEMR web tree and confirm whether it is reachable by users with acct/eob or acct/bill access.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["version-8.5.0-or-later","no-billing-role-users"],"who_is_affected":"Clinics and practices running OpenEMR older than 8.5.0 are exposed, because the flaw lets any user with billing (acct/bill) or EOB (acct/eob) write access reach the shared temporary directory through get_claim_file.php. The exposure depends on which staff hold those permissions, so review role assignments as well as the version. Installations already on 8.5.0 or later are not affected.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000784,"input_tokens":4618,"output_tokens":645,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-126417':14A,17A '-2026':13A,16A '8.5.0':27B,77C 'access':30B,60B,80C,113C 'acct/bill':111C 'acct/eob':109C 'bill':10A,56B 'c':71B,128C 'c-cda':70B,127C 'caller':106C 'ccda.xml':117C 'cda':72B,129C 'check':48B 'claim':2A,52B,103C 'clinic':7A,73B,130C 'complet':126C 'contain':78C 'control':31B,81C 'cve':12A,15A 'directori':46B,96C 'document':8A,74B,131C 'download':62B,119C 'endpoint':4A 'eob':58B 'file':3A,41B,91C,100C 'flaw':32B,82C 'full':69B 'get_claim_file.php':34B,84C 'healthcar':18B 'host':24B 'key':116C 'leak':5A 'locat':36B,86C 'openemr':1A,19B,25B,75C 'patient':6A,67B,124C 'php':20B 'recent':65B,122C 'request':115C 'runtim':21B 'self':23B 'self-host':22B 'serv':39B,89C 'share':44B,94C 'temporari':45B,95C 'tmp':37B,87C 'user':11A,54B,107C 'valid':66B,123C 'verifi':98C 'without':47B,97C 'write':59B,112C","nicknames":[],"mitigations":[],"who_affected":"Clinics and practices running OpenEMR older than 8.5.0 are exposed, because the flaw lets any user with billing (acct/bill) or EOB (acct/eob) write access reach the shared temporary directory through get_claim_file.php. The exposure depends on which staff hold those permissions, so review role assignments as well as the version. Installations already on 8.5.0 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","medium","openemr","php","runtime","selfhosted"],"campaign_type":null,"search_a":"'-126417':14A,17A '-2026':13A,16A 'bill':10A 'claim':2A 'clinic':7A 'cve':12A,15A 'document':8A 'endpoint':4A 'file':3A 'leak':5A 'openemr':1A 'patient':6A 'user':11A","search_b":"'8.5.0':27B 'access':30B,60B 'bill':56B 'c':71B 'c-cda':70B 'cda':72B 'check':48B 'claim':52B 'clinic':73B 'control':31B 'directori':46B 'document':74B 'download':62B 'eob':58B 'file':41B 'flaw':32B 'full':69B 'get_claim_file.php':34B 'healthcar':18B 'host':24B 'locat':36B 'openemr':19B,25B 'patient':67B 'php':20B 'recent':65B 'runtim':21B 'self':23B 'self-host':22B 'serv':39B 'share':44B 'temporari':45B 'tmp':37B 'user':54B 'valid':66B 'without':47B 'write':59B","search_c":"'8.5.0':77C 'access':80C,113C 'acct/bill':111C 'acct/eob':109C 'c':128C 'c-cda':127C 'caller':106C 'ccda.xml':117C 'cda':129C 'claim':103C 'clinic':130C 'complet':126C 'contain':78C 'control':81C 'directori':96C 'document':131C 'download':119C 'file':91C,100C 'flaw':82C 'get_claim_file.php':84C 'key':116C 'locat':86C 'openemr':75C 'patient':124C 'recent':122C 'request':115C 'serv':89C 'share':94C 'temporari':95C 'tmp':87C 'user':107C 'valid':123C 'verifi':98C 'without':97C 'write':112C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-28T02:17:02+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-2026-126417","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126417","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":145077,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-9rw5-h7xf-57mc","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-28T02:17:02+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145078,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-information-disclosure-via-get-claim-file-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"}