{"id":"CVE-2026-101488","kind":"vulnerability","aliases":["CVE-2026-101488"],"related":[],"title":"Oracle PeopleSoft PeopleTools: Business Interlink flaw leaks data, partial denial of service","description":"Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Interlink).  Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).","summary":"A flaw in the Business Interlink component of Oracle PeopleSoft PeopleTools 8.61 through 8.63 can be reached over HTTP without logging in. An attacker can read a subset of the data PeopleTools can access and partly disrupt the service.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterprise-apps","oracle","peoplesoft","peopletools","vendor"],"not_affected_if":["no-network-exposure","unsupported-version"],"how_to_check":"- Confirm the PeopleTools release in use, looking for `8.61`, `8.62` or `8.63` in the environment's version details\n- Check whether the Business Interlink component is exposed to the network via HTTP","fix":"- Apply the Oracle Critical Patch Update fix for PeopleSoft PeopleTools 8.61 to 8.63 (exact patch unknown from the sources)","status":"open","published_at":"2026-10-20T22:17:57+00:00","first_seen_at":"2026-10-23T21:57:22+00:00","triaged_at":"2026-10-25T03:55:26+00:00","updated_at":"2026-10-25T03:55:26+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:55:26Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for PeopleSoft PeopleTools 8.61 to 8.63 (exact patch unknown from the sources)","reach":"internet","title":"Oracle PeopleSoft PeopleTools: Business Interlink flaw leaks data, partial denial of service","impact":"medium","summary":"A flaw in the Business Interlink component of Oracle PeopleSoft PeopleTools 8.61 through 8.63 can be reached over HTTP without logging in. An attacker can read a subset of the data PeopleTools can access and partly disrupt the service.","category":"vendor","nicknames":[],"who_cares":["peoplesoft","peopletools","oracle","enterprise-apps"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads a subset of PeopleTools data and partly disrupts service","analyst_note":"Check the Oracle Critical Patch Update advisory for the exact patch level and whether Business Interlink is enabled by default.","how_to_check":"- Confirm the PeopleTools release in use, looking for `8.61`, `8.62` or `8.63` in the environment's version details\n- Check whether the Business Interlink component is exposed to the network via HTTP","needs_analyst":true,"not_affected_if":["unsupported-version","no-network-exposure"],"who_is_affected":"PeopleSoft Enterprise PeopleTools installations on releases 8.61 through 8.63 that expose the Business Interlink component over HTTP are affected. Organisations on other PeopleTools releases or with the component unreachable from the network can likely skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000655,"input_tokens":3537,"output_tokens":602,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101488':15A,18A '-2026':14A,17A '-8.63':85C '/av':151C '3.1':139C,150C '6.5':142C '8.61':37B,84C '8.63':39B 'abil':124C 'access':59B,94C,112C,120C 'affect':82C 'allow':89C 'app':21B 'attack':49B,91C,103C 'avail':145C 'base':140C 'busi':4A,30B,76C 'caus':126C 'compon':32B,75C 'compromis':98C 'confidenti':143C 'cve':13A,16A 'cvss':138C,147C,149C 'data':8A,56B,121C 'denial':10A,129C 'disrupt':62B 'dos':133C 'easili':86C 'enterpris':20B,69C,100C,118C,136C 'enterprise-app':19B 'exploit':87C 'flaw':6A,27B 'http':44B,96C 'impact':146C 'interlink':5A,31B,77C 'l':159C 'l/i':157C 'l/pr':153C 'leak':7A 'log':46B 'n/a':158C 'n/ac':152C 'n/s':155C 'n/ui':154C 'network':93C 'oracl':1A,22B,34B,73C 'part':61B 'partial':9A,128C,132C 'peoplesoft':2A,23B,35B,68C,74C,99C,117C,135C 'peopletool':3A,24B,36B,57B,70C,101C,119C,137C 'product':71C 'reach':42B 'read':51B,111C 'result':108C 'score':141C 'servic':12A,64B,131C 'subset':53B,115C 'success':102C 'support':78C 'u/c':156C 'unauthent':90C 'unauthor':110C,123C 'vector':148C 'vendor':25B 'version':79C 'via':95C 'vulner':65C,88C,106C 'without':45B","nicknames":[],"mitigations":[],"who_affected":"PeopleSoft Enterprise PeopleTools installations on releases 8.61 through 8.63 that expose the Business Interlink component over HTTP are affected. Organisations on other PeopleTools releases or with the component unreachable from the network can likely skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:17:57+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101488","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101488","severity":null,"published_at":"2026-10-20T22:17:57+00:00","modified_at":"2026-10-21T14:29:49+00:00","first_seen_at":"2026-10-23T21:57:22+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"}