{"id":"CVE-2026-105279","kind":"vulnerability","aliases":["CVE-2026-105279"],"related":[],"title":"In the default configuration, the archive accepts DICOM associations from an unregistered calling AE","description":"In the default configuration, the archive accepts DICOM associations from an unregistered calling AE. A remote peer can use C-FIND and C-GET to enumerate and retrieve patient information and medical images. It can also use C-STORE to file fabricated study content under an existing patient identity.","summary":"J4Care dcm4chee-arc-light 5.35.1 (open-source DICOM archive/PACS) accepts associations from unregistered calling AE titles by default (CWE-306). A remote unauthenticated peer can list and download patient data and images with C-FIND/C-GET, and use C-STORE to add fabricated studies under real patient identities. CISA: no known public exploitation.","severity":"critical","cvss":9.3,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"dcm4chee-arc-light","fixed":["5.35.2"],"affected":"5.35.1","ecosystem":"vendor"}],"ecosystems":[],"tags":["dcm4chee","dicom","healthcare","infrastructure","self-hosted"],"not_affected_if":["default-config","not-exposed-to-network"],"how_to_check":"Check the version of dcm4chee-arc-light (the 5.35.1 release is affected). Then check whether the archive's port 104/11112 is reachable from untrusted networks. From another host, try a C-ECHO or C-FIND with a made-up calling AE title, for example with dcmtk echoscu -aec <archive AE> -aet NOTREGISTERED. If it is accepted, the archive is exposed.","fix":"Upgrade dcm4chee-arc-light to 5.35.2 or later. Until then, keep DICOM ports off the internet, behind firewalls and VPNs, and allow only known peers.","status":"open","published_at":"2026-10-16T15:17:04+00:00","first_seen_at":"2026-10-23T21:57:13+00:00","triaged_at":"2026-10-23T22:08:54+00:00","updated_at":"2026-10-23T23:32:30+00:00","category":"infrastructure","confidence":0.85,"triage":{"at":"2026-10-23T22:08:54Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","impact":"high","summary":"A DICOM archive accepts network associations from unregistered calling AE titles in its default configuration. A remote peer can enumerate and download patient records and medical images, and can store fabricated studies under existing patient identities.","category":"infrastructure","who_cares":["dicom","healthcare","self-hosted"],"confidence":0.5,"needs_auth":"no","worst_case":"Remote attacker reads patient records and images and injects fake studies.","analyst_note":"Identify the affected archive product and version range and any vendor patch or config fix; the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-105279 is the only source given.","how_to_check":"Check the archive's AE title allow-list or registered-peer settings and confirm they are enforced in the running config.\nunknown","needs_analyst":true,"not_affected_if":["default-config"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000452,"input_tokens":2754,"output_tokens":354,"severity_before":"critical"},"analyst_status":"done","analyst_note":"Identify the affected archive product and version range and any vendor patch or config fix; the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-105279 is the only source given.","search":"'-105279':17A,20A '-2026':16A,19A '-306':53B '/c-get':70B '5.35.1':37B 'accept':7A,43B,95C 'add':77B 'ae':14A,48B,102C 'also':126C 'arc':23A,35B 'archiv':6A,94C 'archive/pacs':42B 'associ':9A,44B,97C 'c':68B,74B,109C,113C,129C 'c-find':67B,108C 'c-get':112C 'c-store':73B,128C 'call':13A,47B,101C 'cisa':84B 'configur':4A,92C 'content':135C 'cve':15A,18A 'cwe':52B 'data':63B 'dcm4chee':22A,25B,34B 'dcm4chee-arc-light':21A,33B 'default':3A,51B,91C 'dicom':8A,26B,41B,96C 'download':61B 'enumer':116C 'exist':138C 'exploit':88B 'fabric':78B,133C 'file':132C 'find':69B,110C 'get':114C 'healthcar':27B 'host':31B 'ident':83B,140C 'imag':65B,123C 'inform':120C 'infrastructur':28B 'j4care':32B 'known':86B 'light':24A,36B 'list':59B 'medic':122C 'open':39B 'open-sourc':38B 'patient':62B,82B,119C,139C 'peer':57B,105C 'public':87B 'real':81B 'remot':55B,104C 'retriev':118C 'self':30B 'self-host':29B 'sourc':40B 'store':75B,130C 'studi':79B,134C 'titl':49B 'unauthent':56B 'unregist':12A,46B,100C 'use':72B,107C,127C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-16T15:17:04+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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":"ics-cert@hq.dhs.gov","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105279","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105279","severity":null,"published_at":"2026-10-16T15:17:04+00:00","modified_at":"2026-10-16T20:04:29+00:00","first_seen_at":"2026-10-23T21:57:13+00:00","fetched_at":"2026-10-23T22:28:55+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-105279:464","url":null,"severity":null,"published_at":"2026-10-23T23:32:30+00:00","modified_at":"2026-10-23T23:32:30+00:00","first_seen_at":"2026-10-23T23:32:30+00:00","fetched_at":"2026-10-23T23:32:30+00:00","note":"CISA ICSMA-26-288-02 names J4Care dcm4chee-arc-light 5.35.1, fixed 5.35.2. No public exploitation or PoC reported per CISA. Did not find J4Care's own advisory or the config setting for the AE allow-list. Social search skipped."}],"documents":[{"id":2029,"url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-288-02","title":"CISA ICSMA-26-288-02 J4Care dcm4che","kind":"advisory","source":"analyst","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":2032,"url":"https://app.opencve.io/cve/CVE-2026-105279","title":"OpenCVE CVE-2026-105279","kind":"other","source":"analyst","text":null,"published_at":null,"relation":"mentions","confidence":null,"note":null}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}