{"id":"CVE-2026-101440","kind":"vulnerability","aliases":["CVE-2026-101440"],"related":[],"title":"Oracle Siebel CRM Cloud: adjacent-network flaw exposes CRM data","description":"Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).","summary":"Oracle Siebel CRM Cloud Applications versions 22.3 through 26.9 have a flaw in the Siebel Cloud Manager component. An unauthenticated attacker on the physical network segment attached to the hardware can read critical data and modify or delete some accessible data.","severity":"medium","cvss":5.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["crm","oracle","siebel","vendor"],"not_affected_if":["managed-hosting","versions-outside-22.3-26.9"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-20T22:17:52+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","triaged_at":"2026-10-25T04:08:35+00:00","updated_at":"2026-10-25T04:08:35+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T04:08:35Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Oracle Siebel CRM Cloud: adjacent-network flaw exposes CRM data","impact":"medium","summary":"Oracle Siebel CRM Cloud Applications versions 22.3 through 26.9 have a flaw in the Siebel Cloud Manager component. An unauthenticated attacker on the physical network segment attached to the hardware can read critical data and modify or delete some accessible data.","category":"vendor","nicknames":[],"who_cares":["siebel","oracle","crm"],"confidence":0.6,"needs_auth":"no","worst_case":"Unauthorized read of critical CRM data and some writes","analyst_note":"Check Oracle's Critical Patch Update advisory for the patched Siebel Cloud Manager version and whether customers must act, since the sources give no fix or check.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["managed-hosting","versions-outside-22.3-26.9"],"who_is_affected":"Affects Siebel CRM Cloud Applications, which Oracle runs; the sources describe an attacker needing access to the physical communication segment of the hardware, which is an Oracle-operated environment rather than a customer-run one. Teams that only use Siebel as a hosted SaaS customer have little they need to do beyond watching Oracle's notices. Self-hosted Siebel deployments are not covered by this description.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000619,"input_tokens":3558,"output_tokens":527,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101440':14A,17A '-2026':13A,16A '-26.9':86C '/av':173C '22.3':28B,85C '26.9':30B '3.1':161C,172C '5.9':164C 'a/ac':174C 'access':61B,95C,127C,133C,140C,150C,158C 'adjac':6A 'adjacent-network':5A 'affect':83C 'allow':91C 'applic':26B,69C,110C,117C,139C,157C 'attach':48B,101C 'attack':42B,93C,119C 'base':162C 'cloud':4A,25B,37B,68C,77C,109C,116C,138C,156C 'communic':99C 'complet':132C 'compon':39B,75C 'compromis':113C 'confidenti':165C 'critic':54B,129C 'crm':3A,10A,18B,24B,67C,74C,108C,115C,137C,155C 'cve':12A,15A 'cvss':160C,169C,171C 'data':11A,55B,62B,130C,141C,159C 'delet':59B,149C 'difficult':87C 'execut':111C 'exploit':89C 'expos':9A 'flaw':8A,33B 'h/i':179C 'h/pr':175C 'hardwar':51B,104C 'impact':168C 'insert':147C 'integr':167C 'l/a':180C 'manag':38B,78C 'modifi':57B 'n':181C 'n/s':177C 'n/ui':176C 'network':7A,46B 'oracl':1A,19B,22B,72C 'physic':45B,98C 'product':70C 'read':53B 'result':124C 'score':163C 'segment':47B,100C 'siebel':2A,20B,23B,36B,66C,73C,76C,107C,114C,136C,154C 'success':118C 'support':79C 'u/c':178C 'unauthent':41B,92C 'unauthor':126C,145C 'updat':146C 'vector':170C 'vendor':21B 'version':27B,80C 'vulner':63C,90C,122C 'well':143C","nicknames":[],"mitigations":[],"who_affected":"Affects Siebel CRM Cloud Applications, which Oracle runs; the sources describe an attacker needing access to the physical communication segment of the hardware, which is an Oracle-operated environment rather than a customer-run one. Teams that only use Siebel as a hosted SaaS customer have little they need to do beyond watching Oracle's notices. Self-hosted Siebel deployments are not covered by this description.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:17:52+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101440","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101440","severity":null,"published_at":"2026-10-20T22:17:52+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"}