{"id":"CVE-2026-91361","kind":"vulnerability","aliases":["CVE-2026-91361"],"related":[],"title":"Oracle Siebel CRM Cloud: unauthenticated HTTP flaw allows limited data changes","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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).","summary":"Oracle Siebel CRM Cloud Applications, through the Siebel Cloud Manager component, has a flaw that an unauthenticated attacker can reach over the network via HTTP. A successful attack can make unauthorized update, insert or delete changes to some accessible CRM data.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["hosted-saas","oracle","siebel-crm","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-20T22:20:38+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T04:22:46+00:00","updated_at":"2026-10-25T04:22:46+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T04:22:46Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Oracle Siebel CRM Cloud: unauthenticated HTTP flaw allows limited data changes","impact":"medium","summary":"Oracle Siebel CRM Cloud Applications, through the Siebel Cloud Manager component, has a flaw that an unauthenticated attacker can reach over the network via HTTP. A successful attack can make unauthorized update, insert or delete changes to some accessible CRM data.","category":"vendor","nicknames":[],"who_cares":["siebel-crm","oracle","hosted-saas"],"confidence":0.6,"needs_auth":"no","worst_case":"Unauthorized changes to some CRM data over HTTP","analyst_note":"Check Oracle's Critical Patch Update advisory for the fixed Siebel Cloud Applications version and whether customers must patch or whether Oracle has already applied it to the hosted service.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000547,"input_tokens":3485,"output_tokens":397,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-26.9':90C '-91361':14A,17A '/av':142C '22.3':89C '3.1':132C,141C '5.3':135C 'access':64B,99C,121C,129C 'affect':87C 'allow':8A,94C 'applic':30B,73C,107C,128C 'attack':43B,53B,96C,109C 'base':133C 'chang':11A,61B 'cloud':4A,29B,34B,72C,81C,106C,127C 'compon':36B,79C 'compromis':103C 'crm':3A,24B,28B,65B,71C,78C,105C,126C 'cve':12A,15A 'cvss':131C,138C,140C 'data':10A,66B,130C 'delet':60B,120C 'easili':91C 'exploit':92C 'flaw':7A,39B 'host':19B 'hosted-saa':18B 'http':6A,50B,101C 'impact':137C 'insert':58B,118C 'integr':136C 'l/a':149C 'l/pr':144C 'limit':9A 'make':55B 'manag':35B,82C 'n':150C 'n/ac':143C 'n/i':148C 'n/s':146C 'n/ui':145C 'network':48B,98C 'oracl':1A,21B,26B,76C 'product':74C 'reach':45B 'result':114C 'saa':20B 'score':134C 'siebel':2A,23B,27B,33B,70C,77C,80C,104C,125C 'siebel-crm':22B 'success':52B,108C 'support':83C 'u/c':147C 'unauthent':5A,42B,95C 'unauthor':56B,116C 'updat':57B,117C 'vector':139C 'vendor':25B 'version':84C 'via':49B,100C 'vulner':67C,93C,112C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:38+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91361","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91361","severity":null,"published_at":"2026-10-20T22:20:38+00:00","modified_at":"2026-10-22T19:18:04+00:00","first_seen_at":"2026-10-23T21:57:26+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"}