{"id":"CVE-2026-101386","kind":"vulnerability","aliases":["CVE-2026-101386"],"related":[],"title":"Oracle REST Data Services: low-privilege users can read and change some data","description":"Vulnerability in Oracle REST Data Services (component: Core).  Supported versions that are affected are 24.2.0-26.1.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle REST Data Services.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle REST Data Services accessible data as well as  unauthorized read access to a subset of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 4.2 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N).","summary":"Oracle REST Data Services versions 24.2.0 through 26.1.0 contain a flaw in the Core component that lets a low-privileged remote user read a subset of accessible data and modify or delete some of it. Exploitation is difficult, and the CVSS 3.1 base score is 4.2 (medium).","severity":"medium","cvss":4.2,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["java","oracle","oracle-rest-data-services","package","self-hosted"],"not_affected_if":["unknown"],"how_to_check":"- Check the installed Oracle REST Data Services version (for example with `java -jar ords.war version` or the ORDS admin page), and compare it to the affected range 24.2.0-26.1.0.\n- unknown","fix":"- Move Oracle REST Data Services to a version newer than `26.1.0` once a patched release is named in Oracle's advisory.\n- unknown","status":"open","published_at":"2026-10-20T22:17:46+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","triaged_at":"2026-10-25T04:41:40+00:00","updated_at":"2026-10-25T04:41:40+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:41:40Z","model":"claude-haiku-5-5","output":{"fix":"- Move Oracle REST Data Services to a version newer than `26.1.0` once a patched release is named in Oracle's advisory.\n- unknown","reach":"network","title":"Oracle REST Data Services: low-privilege users can read and change some data","impact":"medium","summary":"Oracle REST Data Services versions 24.2.0 through 26.1.0 contain a flaw in the Core component that lets a low-privileged remote user read a subset of accessible data and modify or delete some of it. Exploitation is difficult, and the CVSS 3.1 base score is 4.2 (medium).","category":"package","nicknames":[],"who_cares":["oracle-rest-data-services","oracle","java","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Low-privileged user reads, changes or deletes some REST-accessible data","analyst_note":"Find Oracle's advisory and the patched ORDS version (fix and how_to_check are unknown in the sources); check NVD link for vendor advisory URL.","how_to_check":"- Check the installed Oracle REST Data Services version (for example with `java -jar ords.war version` or the ORDS admin page), and compare it to the affected range 24.2.0-26.1.0.\n- unknown","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Deployments running Oracle REST Data Services in the affected range that are reachable over HTTP by users holding a low-privilege account. Sources do not say which configurations are required, so the exposure of any given install cannot be confirmed from this text.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000637,"input_tokens":3463,"output_tokens":581,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101386':17A,20A '-2026':16A,19A '/av':167C '24.2.0':37B,94C '26.1.0':39B,95C '3.1':74B,155C,166C '4.2':78B,158C 'access':59B,106C,128C,136C,143C,152C 'affect':92C 'allow':100C 'attack':103C,116C 'base':75B,156C 'chang':12A 'compon':46B,86C 'compromis':110C 'confidenti':159C 'contain':40B 'core':45B,87C 'cve':15A,18A 'cvss':73B,154C,163C,165C 'data':3A,14A,26B,34B,60B,84C,113C,134C,137C,150C,153C 'delet':64B,127C 'difficult':70B,96C 'exploit':68B,98C 'flaw':42B 'h/pr':169C 'host':31B 'http':108C 'impact':162C 'insert':125C 'integr':161C 'java':21B 'l/a':174C 'l/i':173C 'l/ui':170C 'let':48B 'low':6A,51B,101C 'low-privileg':5A,50B 'medium':79B 'modifi':62B 'n':175C 'n/ac':168C 'n/s':171C 'network':105C 'oracl':1A,22B,24B,32B,82C,111C,132C,148C 'oracle-rest-data-servic':23B 'packag':28B 'privileg':7A,52B,102C 'read':10A,55B,142C 'remot':53B 'rest':2A,25B,33B,83C,112C,133C,149C 'result':121C 'score':76B,157C 'self':30B 'self-host':29B 'servic':4A,27B,35B,85C,114C,135C,151C 'subset':57B,146C 'success':115C 'support':88C 'u/c':172C 'unauthor':123C,141C 'updat':124C 'user':8A,54B 'vector':164C 'version':36B,89C 'via':107C 'vulner':80C,99C,119C 'well':139C","nicknames":[],"mitigations":[],"who_affected":"Deployments running Oracle REST Data Services in the affected range that are reachable over HTTP by users holding a low-privilege account. Sources do not say which configurations are required, so the exposure of any given install cannot be confirmed from this text.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:17:46+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101386","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101386","severity":null,"published_at":"2026-10-20T22:17:46+00:00","modified_at":"2026-10-21T14:29:49+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","fetched_at":"2026-10-23T22:28:58+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"}