{"id":"CVE-2026-113875","kind":"vulnerability","aliases":["CVE-2026-113875"],"related":[],"title":"SmileCDR HAPI FHIR: REST-hook subscriptions let users read restricted resources","description":"On a SmileCDR HAPI FHIR server with REST-hook subscriptions enabled, if a user is granted subscription-creation permissions, they may be able to query and read resources that they are not otherwise permitted to access.","summary":"On a SmileCDR HAPI FHIR server with REST-hook subscriptions enabled, a user granted permission to create subscriptions can query resources they are not otherwise allowed to access. The attacker gets read access to FHIR data outside their normal permissions.","severity":"low","cvss":3.1,"epss":0.00174,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fhir","hapi-fhir","healthcare","other","smilecdr"],"not_affected_if":["no-subscription-creators","rest-hook-disabled"],"how_to_check":"- Check whether REST-hook subscriptions are enabled in the SmileCDR or HAPI FHIR server configuration.\n- List which users or roles hold subscription-creation permissions.\n- Version of the affected SmileCDR release: unknown","fix":"- unknown: the sources do not name a fixed version or vendor patch.\n- Until a patch is confirmed, restrict subscription-creation permissions to trusted roles or disable REST-hook subscriptions.","status":"open","published_at":"2026-10-22T19:17:36+00:00","first_seen_at":"2026-10-23T21:57:31+00:00","triaged_at":"2026-10-25T04:47:20+00:00","updated_at":"2026-10-25T04:47:20+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-25T04:47:20Z","model":"claude-haiku-5-5","output":{"fix":"- unknown: the sources do not name a fixed version or vendor patch.\n- Until a patch is confirmed, restrict subscription-creation permissions to trusted roles or disable REST-hook subscriptions.","reach":"network","title":"SmileCDR HAPI FHIR: REST-hook subscriptions let users read restricted resources","impact":"medium","summary":"On a SmileCDR HAPI FHIR server with REST-hook subscriptions enabled, a user granted permission to create subscriptions can query resources they are not otherwise allowed to access. The attacker gets read access to FHIR data outside their normal permissions.","category":"other","nicknames":[],"who_cares":["smilecdr","hapi-fhir","fhir","healthcare"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated user reads FHIR resources beyond their permitted access","analyst_note":"Find the affected SmileCDR versions and the vendor fix in the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-113875) or SmileCDR advisories.","how_to_check":"- Check whether REST-hook subscriptions are enabled in the SmileCDR or HAPI FHIR server configuration.\n- List which users or roles hold subscription-creation permissions.\n- Version of the affected SmileCDR release: unknown","needs_analyst":true,"not_affected_if":["rest-hook-disabled","no-subscription-creators"],"who_is_affected":"Teams running SmileCDR with the HAPI FHIR server and REST-hook subscriptions turned on, where some users hold subscription-creation rights. Servers with REST-hook subscriptions disabled, or where no non-admin user can create subscriptions, are not exposed according to the description. The sources do not name specific versions.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"unknown"},"cost_usd":0.000666,"input_tokens":3336,"output_tokens":664,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-113875':15A,18A '-2026':14A,17A 'abl':91C 'access':54B,59B,104C 'allow':52B 'attack':56B 'creat':43B 'creation':86C 'cve':13A,16A 'data':62B 'enabl':37B,78C 'fhir':3A,19B,22B,30B,61B,71C 'get':57B 'grant':40B,83C 'hapi':2A,21B,29B,70C 'hapi-fhir':20B 'healthcar':23B 'hook':6A,35B,76C 'let':8A 'may':89C 'normal':65B 'otherwis':51B,101C 'outsid':63B 'permiss':41B,66B,87C 'permit':102C 'queri':46B,93C 'read':10A,58B,95C 'resourc':12A,47B,96C 'rest':5A,34B,75C 'rest-hook':4A,33B,74C 'restrict':11A 'server':31B,72C 'smilecdr':1A,25B,28B,69C 'subscript':7A,36B,44B,77C,85C 'subscription-cr':84C 'user':9A,39B,81C","nicknames":[],"mitigations":[],"who_affected":"Teams running SmileCDR with the HAPI FHIR server and REST-hook subscriptions turned on, where some users hold subscription-creation rights. Servers with REST-hook subscriptions disabled, or where no non-admin user can create subscriptions, are not exposed according to the description. The sources do not name specific versions.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-22T19:17:36+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/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":"9119a7d8-5eab-497f-8521-727c672e3725","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113875","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113875","severity":null,"published_at":"2026-10-22T19:17:36+00:00","modified_at":"2026-10-23T19:17:43+00:00","first_seen_at":"2026-10-23T21:57:31+00:00","fetched_at":"2026-10-23T22:29:02+00:00","note":null},{"source":"epss","external_id":"CVE-2026-113875","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113875","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:51+00:00","fetched_at":"2026-10-24T07:15:51+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}