{"id":"CVE-2026-124490","kind":"vulnerability","aliases":["CVE-2026-124490"],"related":[],"title":"OpenEMR: path traversal in fax module lets logged-in users read and write files","description":"OpenEMR before 8.3.0 contains a path traversal vulnerability in the RingCentral RCFaxClient disposeDocument() method of oe-module-faxsms that allows authenticated attackers to read and write arbitrary files via the file_path parameter. Attackers can use action=download to read credentials and source code, or action=setup with base64 content to write web-executable files for code execution.","summary":"OpenEMR before 8.3.0 has a path traversal flaw in the RingCentral fax client's disposeDocument() method of the oe-module-faxsms module. An authenticated user can read credentials and source code, or write web-executable files that lead to code execution on the server.","severity":"critical","cvss":9.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","php","runtime","self-hosted"],"not_affected_if":["module-not-installed","no-fax-integration","version-8.3.0-or-later"],"how_to_check":"- Check the OpenEMR version in the installation; affected versions are those before `8.3.0`.\n- Confirm whether the oe-module-faxsms module is installed and enabled.","fix":"- OpenEMR: move to `8.3.0` or later.","status":"open","published_at":"2026-11-08T14:18:18+00:00","first_seen_at":"2026-11-08T14:48:41+00:00","triaged_at":"2026-11-08T14:48:51+00:00","updated_at":"2026-11-08T14:48:51+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-08T14:48:51Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: move to `8.3.0` or later.","reach":"internet","title":"OpenEMR: path traversal in fax module lets logged-in users read and write files","impact":"high","summary":"OpenEMR before 8.3.0 has a path traversal flaw in the RingCentral fax client's disposeDocument() method of the oe-module-faxsms module. An authenticated user can read credentials and source code, or write web-executable files that lead to code execution on the server.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["openemr","healthcare","self-hosted","php"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"attacker reads secrets and runs code on the server","analyst_note":"Confirm the fixed version and module specifics at the vendor advisory on github.com and the VulnCheck page; check whether the fax module is enabled by default.","how_to_check":"- Check the OpenEMR version in the installation; affected versions are those before `8.3.0`.\n- Confirm whether the oe-module-faxsms module is installed and enabled.","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["version-8.3.0-or-later","module-not-installed","no-fax-integration"],"who_is_affected":"Any OpenEMR installation before 8.3.0 that has the fax/SMS module (oe-module-faxsms) involved in the RingCentral fax path is exposed, as the flaw is reachable by any authenticated account. Installations on 8.3.0 or later, or without this module, can skip it.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000754,"input_tokens":4631,"output_tokens":581,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-124490':18A,21A '-2026':17A,20A '8.3.0':31B,77C 'action':112C,121C 'allow':95C 'arbitrari':102C 'attack':97C,109C 'authent':53B,96C 'base64':124C 'client':41B 'code':60B,70B,119C,133C 'contain':78C 'content':125C 'credenti':57B,116C 'cve':16A,19A 'disposedocu':43B,87C 'download':113C 'execut':65B,71B,130C,134C 'fax':5A,40B 'faxsm':50B,93C 'file':15A,66B,103C,106C,131C 'flaw':36B 'healthcar':22B 'host':28B 'lead':68B 'let':7A 'log':9A 'logged-in':8A 'method':44B,88C 'modul':6A,49B,51B,92C 'oe':48B,91C 'oe-module-faxsm':47B,90C 'openemr':1A,23B,29B,75C 'paramet':108C 'path':2A,34B,80C,107C 'php':24B 'rcfaxclient':86C 'read':12A,56B,99C,115C 'ringcentr':39B,85C 'runtim':25B 'self':27B 'self-host':26B 'server':74B 'setup':122C 'sourc':59B,118C 'travers':3A,35B,81C 'use':111C 'user':11A,54B 'via':104C 'vulner':82C 'web':64B,129C 'web-execut':63B,128C 'write':14A,62B,101C,127C","nicknames":[],"mitigations":[],"who_affected":"Any OpenEMR installation before 8.3.0 that has the fax/SMS module (oe-module-faxsms) involved in the RingCentral fax path is exposed, as the flaw is reachable by any authenticated account. Installations on 8.3.0 or later, or without this module, can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["critical","healthcare","openemr","php","runtime","selfhosted"],"campaign_type":null,"search_a":"'-124490':18A,21A '-2026':17A,20A 'cve':16A,19A 'fax':5A 'file':15A 'let':7A 'log':9A 'logged-in':8A 'modul':6A 'openemr':1A 'path':2A 'read':12A 'travers':3A 'user':11A 'write':14A","search_b":"'8.3.0':31B 'authent':53B 'client':41B 'code':60B,70B 'credenti':57B 'disposedocu':43B 'execut':65B,71B 'fax':40B 'faxsm':50B 'file':66B 'flaw':36B 'healthcar':22B 'host':28B 'lead':68B 'method':44B 'modul':49B,51B 'oe':48B 'oe-module-faxsm':47B 'openemr':23B,29B 'path':34B 'php':24B 'read':56B 'ringcentr':39B 'runtim':25B 'self':27B 'self-host':26B 'server':74B 'sourc':59B 'travers':35B 'user':54B 'web':64B 'web-execut':63B 'write':62B","search_c":"'8.3.0':77C 'action':112C,121C 'allow':95C 'arbitrari':102C 'attack':97C,109C 'authent':96C 'base64':124C 'code':119C,133C 'contain':78C 'content':125C 'credenti':116C 'disposedocu':87C 'download':113C 'execut':130C,134C 'faxsm':93C 'file':103C,106C,131C 'method':88C 'modul':92C 'oe':91C 'oe-module-faxsm':90C 'openemr':75C 'paramet':108C 'path':80C,107C 'rcfaxclient':86C 'read':99C,115C 'ringcentr':85C 'setup':122C 'sourc':118C 'travers':81C 'use':111C 'via':104C 'vulner':82C 'web':129C 'web-execut':128C 'write':101C,127C","cause_entry":null,"cause_path":null,"first_public_at":"2026-08-18T08:40:27+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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-2026-124490","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124490","severity":null,"published_at":"2026-11-08T14:18:18+00:00","modified_at":"2026-11-08T14:18:18+00:00","first_seen_at":"2026-11-08T14:48:41+00:00","fetched_at":"2026-11-08T14:48:41+00:00","note":null}],"documents":[{"id":102168,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-38jw-pwgq-9hpj","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-08-18T08:40:27+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":102169,"url":"https://www.vulncheck.com/advisories/openemr-before-8.3.0-arbitrary-file-read-write-via-oe-module-faxsms-disposedocument","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"}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}