{"id":"CVE-2026-126457","kind":"vulnerability","aliases":["CVE-2026-126457"],"related":[],"title":"OpenEMR: any logged-in user can change module admin settings","description":"OpenEMR before 8.5.0 contains a missing authorization vulnerability in InstallerController that allows any authenticated user to modify module administration settings without the admin/manage_modules permission. Low-privileged users such as Front Office clerks can POST to saveConfig, DeleteAcl, DeleteHooks and nickName actions to reconfigure or partially disable installed modules.","summary":"OpenEMR before 8.5.0 has a missing authorization check in InstallerController, so any authenticated user can change module settings without the admin/manage_modules permission. Low-privileged staff such as front office clerks can reconfigure or partially disable installed modules.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["healthcare","openemr","package","self-hosted"],"not_affected_if":["no-user-accounts","version-8.5.0-or-later"],"how_to_check":"- Check the installed OpenEMR version and confirm whether it is below `8.5.0`\n- Review which accounts can log in, since any authenticated user can reach these actions","fix":"- OpenEMR: move to `8.5.0` or later","status":"open","published_at":"2026-11-13T10:17:53+00:00","first_seen_at":"2026-11-13T10:47:24+00:00","triaged_at":"2026-11-13T10:53:03+00:00","updated_at":"2026-11-13T10:53:03+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-13T10:53:03Z","model":"claude-haiku-5-5","output":{"fix":"- OpenEMR: move to `8.5.0` or later","reach":"network","title":"OpenEMR: any logged-in user can change module admin settings","impact":"medium","summary":"OpenEMR before 8.5.0 has a missing authorization check in InstallerController, so any authenticated user can change module settings without the admin/manage_modules permission. Low-privileged staff such as front office clerks can reconfigure or partially disable installed modules.","audience":"businesses","category":"package","nicknames":[],"who_cares":["openemr","healthcare","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"low-privileged users disable or reconfigure installed clinical modules","analyst_note":"","how_to_check":"- Check the installed OpenEMR version and confirm whether it is below `8.5.0`\n- Review which accounts can log in, since any authenticated user can reach these actions","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["version-8.5.0-or-later","no-user-accounts"],"who_is_affected":"Any OpenEMR installation before 8.5.0 where users have accounts is exposed, because the flaw needs only a logged-in session and no special permission. Installations where only admins can log in, or that run 8.5.0 or later, are not affected.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000717,"input_tokens":4618,"output_tokens":511,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-126457':14A,17A '-2026':13A,16A '8.5.0':26B,64C 'action':103C 'admin':10A 'admin/manage_modules':44B,84C 'administr':80C 'allow':73C 'authent':36B,75C 'author':30B,68C 'chang':8A,39B 'check':31B 'clerk':54B,94C 'contain':65C 'cve':12A,15A 'deleteacl':99C 'deletehook':100C 'disabl':59B,108C 'front':52B,92C 'healthcar':18B 'host':23B 'instal':60B,109C 'installercontrol':33B,71C 'log':4A 'logged-in':3A 'low':47B,87C 'low-privileg':46B,86C 'miss':29B,67C 'modifi':78C 'modul':9A,40B,61B,79C,110C 'nicknam':102C 'offic':53B,93C 'openemr':1A,19B,24B,62C 'packag':20B 'partial':58B,107C 'permiss':45B,85C 'post':96C 'privileg':48B,88C 'reconfigur':56B,105C 'saveconfig':98C 'self':22B 'self-host':21B 'set':11A,41B,81C 'staff':49B 'user':6A,37B,76C,89C 'vulner':69C 'without':42B,82C","nicknames":[],"mitigations":[],"who_affected":"Any OpenEMR installation before 8.5.0 where users have accounts is exposed, because the flaw needs only a logged-in session and no special permission. Installations where only admins can log in, or that run 8.5.0 or later, are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["healthcare","high","openemr","package","selfhosted"],"campaign_type":null,"search_a":"'-126457':14A,17A '-2026':13A,16A 'admin':10A 'chang':8A 'cve':12A,15A 'log':4A 'logged-in':3A 'modul':9A 'openemr':1A 'set':11A 'user':6A","search_b":"'8.5.0':26B 'admin/manage_modules':44B 'authent':36B 'author':30B 'chang':39B 'check':31B 'clerk':54B 'disabl':59B 'front':52B 'healthcar':18B 'host':23B 'instal':60B 'installercontrol':33B 'low':47B 'low-privileg':46B 'miss':29B 'modul':40B,61B 'offic':53B 'openemr':19B,24B 'packag':20B 'partial':58B 'permiss':45B 'privileg':48B 'reconfigur':56B 'self':22B 'self-host':21B 'set':41B 'staff':49B 'user':37B 'without':42B","search_c":"'8.5.0':64C 'action':103C 'admin/manage_modules':84C 'administr':80C 'allow':73C 'authent':75C 'author':68C 'clerk':94C 'contain':65C 'deleteacl':99C 'deletehook':100C 'disabl':108C 'front':92C 'instal':109C 'installercontrol':71C 'low':87C 'low-privileg':86C 'miss':67C 'modifi':78C 'modul':79C,110C 'nicknam':102C 'offic':93C 'openemr':62C 'partial':107C 'permiss':85C 'post':96C 'privileg':88C 'reconfigur':105C 'saveconfig':98C 'set':81C 'user':76C,89C 'vulner':69C 'without':82C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-27T22:50:27+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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-2026-126457","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126457","severity":null,"published_at":"2026-11-13T10:17:53+00:00","modified_at":"2026-11-13T10:17:54+00:00","first_seen_at":"2026-11-13T10:47:24+00:00","fetched_at":"2026-11-13T10:47:24+00:00","note":null}],"documents":[{"id":145159,"url":"https://github.com/openemr/openemr/security/advisories/GHSA-32cq-gh7x-jpqw","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-27T22:50:27+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145160,"url":"https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-installercontroller-module-actions","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"}