{"id":"CVE-2026-91474","kind":"vulnerability","aliases":["CVE-2026-91474"],"related":[],"title":"Oracle PeopleSoft FIN Common Objects Brazil: high-privilege attacker can modify critical data","description":"Vulnerability in the PeopleSoft Enterprise FIN Common Objects Brazil product of Oracle PeopleSoft (component: eProcurement).   The supported version that is affected is 9.1. Easily exploitable vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the PeopleSoft Enterprise FIN Common Objects Brazil executes to compromise PeopleSoft Enterprise FIN Common Objects Brazil.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all PeopleSoft Enterprise FIN Common Objects Brazil accessible data as well as  unauthorized access to critical data or complete access to all PeopleSoft Enterprise FIN Common Objects Brazil accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N).","summary":"Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1, in the eProcurement component, has a flaw that lets a highly privileged user with adjacent network access alter or read critical data. The attacker needs high privileges and access to the network segment the hardware sits on.","severity":"medium","cvss":6.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["erp","finance","oracle","package","peoplesoft"],"not_affected_if":["no-brazil-fin-module","not-peoplesoft"],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-20T22:20:50+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","triaged_at":"2026-10-25T04:03:33+00:00","updated_at":"2026-10-25T04:03:33+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T04:03:33Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"network","title":"Oracle PeopleSoft FIN Common Objects Brazil: high-privilege attacker can modify critical data","impact":"medium","summary":"Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1, in the eProcurement component, has a flaw that lets a highly privileged user with adjacent network access alter or read critical data. The attacker needs high privileges and access to the network segment the hardware sits on.","category":"package","nicknames":[],"who_cares":["peoplesoft","oracle","erp","finance"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with high privileges reads and modifies critical PeopleSoft data","analyst_note":"Check Oracle's July 2026 Critical Patch Update advisory for the patch level that fixes eProcurement in FIN Common Objects Brazil 9.1; the sources give no fix or check.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":["not-peoplesoft","no-brazil-fin-module"],"who_is_affected":"Organizations running Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 with the eProcurement component. The sources describe the attack as requiring high privileges and adjacent network access to the host, so internet-only exposure is not what the sources describe. Teams not running this PeopleSoft module can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000629,"input_tokens":3598,"output_tokens":538,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':16A,19A '-91474':17A,20A '/av':189C '3.1':177C,188C '6.1':180C '9.1':33B,92C 'a/ac':190C 'access':50B,62B,101C,141C,153C,159C,165C,174C 'adjac':48B 'affect':90C 'allow':96C 'alter':51B 'attach':107C 'attack':10A,57B,99C,129C 'base':178C 'brazil':6A,32B,78C,118C,127C,152C,173C 'common':4A,30B,76C,116C,125C,150C,171C 'communic':105C 'complet':164C 'compon':37B,83C 'compromis':121C 'confidenti':181C 'creation':137C 'critic':13A,54B,143C,161C 'cve':15A,18A 'cvss':176C,185C,187C 'data':14A,55B,144C,154C,162C,175C 'delet':138C 'easili':93C 'enterpris':28B,74C,114C,123C,148C,169C 'eprocur':36B,84C 'erp':21B 'execut':119C 'exploit':94C 'fin':3A,29B,75C,115C,124C,149C,170C 'financ':22B 'flaw':40B 'h/a':196C 'h/i':195C 'h/ui':192C 'hardwar':68B,110C 'high':8A,44B,59B,97C 'high-privileg':7A 'impact':184C 'integr':183C 'l/pr':191C 'let':42B 'modif':140C 'modifi':12A 'n':197C 'n/s':193C 'need':58B 'network':49B,65B 'object':5A,31B,77C,117C,126C,151C,172C 'oracl':1A,23B,26B,81C 'packag':24B 'peoplesoft':2A,25B,27B,73C,82C,113C,122C,147C,168C 'physic':104C 'privileg':9A,45B,60B,98C 'product':79C 'read':53B 'result':134C 'score':179C 'segment':66B,106C 'sit':69B 'success':128C 'support':86C 'u/c':194C 'unauthor':136C,158C 'user':46B 'vector':186C 'version':87C 'vulner':70C,95C,132C 'well':156C","nicknames":[],"mitigations":[],"who_affected":"Organizations running Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 with the eProcurement component. The sources describe the attack as requiring high privileges and adjacent network access to the host, so internet-only exposure is not what the sources describe. Teams not running this PeopleSoft module can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:50+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91474","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91474","severity":null,"published_at":"2026-10-20T22:20:50+00:00","modified_at":"2026-10-21T18:44:55+00:00","first_seen_at":"2026-10-23T21:57:27+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"}