{"id":"CVE-2026-83389","kind":"vulnerability","aliases":["CVE-2026-83389"],"related":[],"title":"Oracle E-Business Suite HRMS (UK): flaw lets low-privileged users change some HR data","description":"Vulnerability in the Oracle HRMS (UK) product of Oracle E-Business Suite (component: Internal Operations).  Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HRMS (UK).  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle HRMS (UK), attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle HRMS (UK) accessible data as well as  unauthorized read access to a subset of Oracle HRMS (UK) accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).","summary":"Oracle E-Business Suite's HRMS (UK) module, in the Internal Operations component, has a flaw reachable over HTTP. A low-privileged logged-in attacker can, with a victim's help, read a subset of HR data and insert, update or delete some accessible records, and the impact can spill into other products.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterprise","hrms","oracle-ebs","self-hosted","vendor"],"not_affected_if":["hrms-uk-not-installed"],"how_to_check":"- Check the installed Oracle E-Business Suite release and whether HRMS (UK) is in use, using the version in the Oracle advisory: unknown\n- Confirm the patch level of the Internal Operations component against the Oracle Critical Patch Update: unknown","fix":"- Apply the Oracle Critical Patch Update that covers Oracle E-Business Suite 12.2.3-12.2.15 HRMS (UK): unknown exact patch name in sources\n- Move affected E-Business Suite 12.2.x installs to a supported patched release: unknown","status":"open","published_at":"2026-10-20T22:19:55+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","triaged_at":"2026-10-25T04:16:05+00:00","updated_at":"2026-10-25T04:16:05+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-25T04:16:05Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update that covers Oracle E-Business Suite 12.2.3-12.2.15 HRMS (UK): unknown exact patch name in sources\n- Move affected E-Business Suite 12.2.x installs to a supported patched release: unknown","reach":"network","title":"Oracle E-Business Suite HRMS (UK): flaw lets low-privileged users change some HR data","impact":"medium","summary":"Oracle E-Business Suite's HRMS (UK) module, in the Internal Operations component, has a flaw reachable over HTTP. A low-privileged logged-in attacker can, with a victim's help, read a subset of HR data and insert, update or delete some accessible records, and the impact can spill into other products.","category":"vendor","nicknames":[],"who_cares":["oracle-ebs","hrms","self-hosted","enterprise"],"confidence":0.7,"needs_auth":"yes","worst_case":"Attacker reads and changes some HR records, with effects spilling into other products","analyst_note":"Check Oracle's Security Alert or Critical Patch Update advisory for the exact patch names and fixed versions for 12.2.3-12.2.15; the NVD entry lacks them.","how_to_check":"- Check the installed Oracle E-Business Suite release and whether HRMS (UK) is in use, using the version in the Oracle advisory: unknown\n- Confirm the patch level of the Internal Operations component against the Oracle Critical Patch Update: unknown","needs_analyst":true,"not_affected_if":["hrms-uk-not-installed"],"who_is_affected":"Organisations running Oracle E-Business Suite 12.2.3 through 12.2.15 with the HRMS (UK) module are in scope. The sources do not say which configurations or user roles make an install more exposed, so unknown. Teams not running Oracle E-Business Suite HRMS (UK) can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000708,"input_tokens":3566,"output_tokens":703,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':19A,22A '-83389':20A,23A '/av':209C '12.2.15':112C '12.2.3':111C '3.1':197C,208C '5.4':200C 'access':79B,122C,172C,179C,186C,194C 'addit':155C 'affect':109C 'allow':116C 'attack':60B,119C,131C,141C,151C,160C 'base':198C 'busi':4A,36B,100C 'c/c':214C 'chang':14A,158C 'compon':46B,102C 'compromis':126C 'confidenti':201C 'cve':18A,21A 'cvss':196C,205C,207C 'data':17A,72B,180C,195C 'delet':77B,171C 'e':3A,35B,99C 'e-busi':2A,34B,98C 'easili':113C 'eb':28B 'enterpris':24B 'exploit':114C 'flaw':8A,49B 'help':66B 'host':31B 'hr':16A,71B 'hrms':6A,25B,39B,93C,128C,149C,177C,192C 'http':52B,124C 'human':133C 'impact':83B,154C,204C 'insert':74B,169C 'integr':203C 'interact':134C 'intern':44B,103C 'l/a':216C 'l/i':215C 'l/pr':211C 'l/ui':212C 'let':9A 'log':58B 'logged-in':57B 'low':11A,55B,117C 'low-privileg':10A,54B 'may':152C 'modul':41B 'n':217C 'n/ac':210C 'network':121C 'oper':45B,104C 'oracl':1A,27B,33B,92C,97C,127C,148C,176C,191C 'oracle-eb':26B 'person':137C 'privileg':12A,56B,118C 'product':88B,95C,156C 'r/s':213C 'reachabl':50B 'read':67B,185C 'record':80B 'requir':132C 'result':165C 'scope':157C 'score':199C 'self':30B 'self-host':29B 'signific':153C 'spill':85B 'subset':69B,189C 'success':130C,159C 'suit':5A,37B,101C 'support':105C 'uk':7A,40B,94C,129C,150C,178C,193C 'unauthor':167C,184C 'updat':75B,168C 'user':13A 'vector':206C 'vendor':32B 'version':106C 'via':123C 'victim':64B 'vulner':89C,115C,145C,163C 'well':182C","nicknames":[],"mitigations":[],"who_affected":"Organisations running Oracle E-Business Suite 12.2.3 through 12.2.15 with the HRMS (UK) module are in scope. The sources do not say which configurations or user roles make an install more exposed, so unknown. Teams not running Oracle E-Business Suite HRMS (UK) can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:55+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-83389","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83389","severity":null,"published_at":"2026-10-20T22:19:55+00:00","modified_at":"2026-10-21T18:44:19+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","fetched_at":"2026-10-23T22:29:00+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"}