{"id":"CVE-2026-87345","kind":"vulnerability","aliases":["CVE-2026-87345"],"related":[],"title":"Oracle PeopleSoft PeopleTools: Business Interlink flaw allows unauthorized data read and change","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 require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise PeopleTools, 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 PeopleSoft Enterprise PeopleTools accessible data as well as  unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).","summary":"Oracle PeopleSoft Enterprise PeopleTools versions 8.61 through 8.63 have a flaw in the Business Interlink component that an unauthenticated network attacker can reach over HTTP. A successful attack, after a user takes an action, can read a subset of data and insert, update or delete some accessible data.","severity":"medium","cvss":6.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterprise-apps","oracle","package","peoplesoft","peopletools","self-hosted"],"not_affected_if":[],"how_to_check":"- Confirm the PeopleTools release in the environment, for example through the PeopleTools version shown in the PeopleSoft system information, and check whether it falls within `8.61` to `8.63`.\n- Check whether the Business Interlink component is in use: unknown.","fix":"- Apply the Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools that addresses CVE-2026-87345 (patch identifier unknown from the sources).","status":"open","published_at":"2026-10-20T22:20:12+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","triaged_at":"2026-10-25T04:03:42+00:00","updated_at":"2026-10-25T04:03:42+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:03:42Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools that addresses CVE-2026-87345 (patch identifier unknown from the sources).","reach":"internet","title":"Oracle PeopleSoft PeopleTools: Business Interlink flaw allows unauthorized data read and change","impact":"medium","summary":"Oracle PeopleSoft Enterprise PeopleTools versions 8.61 through 8.63 have a flaw in the Business Interlink component that an unauthenticated network attacker can reach over HTTP. A successful attack, after a user takes an action, can read a subset of data and insert, update or delete some accessible data.","category":"package","nicknames":[],"who_cares":["peoplesoft","peopletools","oracle","self-hosted","enterprise-apps"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads and changes some PeopleSoft data across the application","analyst_note":"Find the Oracle Critical Patch Update advisory and patch identifier for CVE-2026-87345, and confirm whether Business Interlink is enabled by default.","how_to_check":"- Confirm the PeopleTools release in the environment, for example through the PeopleTools version shown in the PeopleSoft system information, and check whether it falls within `8.61` to `8.63`.\n- Check whether the Business Interlink component is in use: unknown.","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Organisations running Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 with the Business Interlink component reachable over HTTP. The sources do not say whether the component is enabled by default or which configurations are exposed, so whether systems outside the internet-facing path can skip it is unknown.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000691,"input_tokens":3602,"output_tokens":662,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-8.63':97C '-87345':15A,18A '/av':193C '3.1':181C,192C '6.1':184C '8.61':34B,96C '8.63':36B 'access':75B,106C,156C,163C,170C,178C 'action':62B 'addit':139C 'affect':94C 'allow':7A,101C 'app':21B 'attack':49B,56B,103C,115C,125C,135C,144C 'base':182C 'busi':4A,42B,88C 'c/c':198C 'chang':12A,142C 'compon':44B,87C 'compromis':110C 'confidenti':185C 'cve':13A,16A 'cvss':180C,189C,191C 'data':9A,68B,76B,164C,179C 'delet':73B,155C 'easili':98C 'enterpris':20B,31B,81C,112C,133C,161C,176C 'enterprise-app':19B 'exploit':99C 'flaw':6A,39B 'host':28B 'http':53B,108C 'human':117C 'impact':138C,188C 'insert':70B,153C 'integr':187C 'interact':118C 'interlink':5A,43B,89C 'l/a':200C 'l/i':199C 'l/pr':195C 'may':136C 'n':201C 'n/ac':194C 'n/ui':196C 'network':48B,105C 'oracl':1A,22B,29B,85C 'packag':23B 'peoplesoft':2A,24B,30B,80C,86C,111C,132C,160C,175C 'peopletool':3A,25B,32B,82C,113C,134C,162C,177C 'person':121C 'product':83C,140C 'r/s':197C 'reach':51B 'read':10A,64B,169C 'requir':116C 'result':149C 'scope':141C 'score':183C 'self':27B 'self-host':26B 'signific':137C 'subset':66B,173C 'success':55B,114C,143C 'support':90C 'take':60B 'unauthent':47B,102C 'unauthor':8A,151C,168C 'updat':71B,152C 'user':59B 'vector':190C 'version':33B,91C 'via':107C 'vulner':77C,100C,129C,147C 'well':166C","nicknames":[],"mitigations":[],"who_affected":"Organisations running Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 with the Business Interlink component reachable over HTTP. The sources do not say whether the component is enabled by default or which configurations are exposed, so whether systems outside the internet-facing path can skip it is unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:12+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/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-2026-87345","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87345","severity":null,"published_at":"2026-10-20T22:20:12+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"}