{"id":"CVE-2026-101394","kind":"vulnerability","aliases":["CVE-2026-101394"],"related":[],"title":"Oracle Siebel Marketing: unauthenticated HTTP flaw allows limited data changes","description":"Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing).  Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel Apps - Marketing 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's Marketing component, versions 17.0 through 26.9, has a flaw that lets an unauthenticated attacker reach it over the network via HTTP. A successful attack can update, insert or delete some data the Marketing application can access.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["crm","marketing","oracle-siebel","self-hosted","vendor"],"not_affected_if":["no-network-exposure","unaffected-version"],"how_to_check":"- Confirm whether Siebel CRM Marketing is deployed and which release it runs, against the affected range 17.0-26.9 (unknown how the sources expect this to be read from the installation)\n- Check the Oracle Critical Patch Update advisory for the patch level that covers this release (unknown from the sources)","fix":"- Apply the Oracle Siebel CRM patch that addresses this CVE for the installed Marketing release (unknown from the sources)\n- Restrict HTTP access to the Siebel Marketing endpoints to trusted networks until patched (general mitigation, unknown from the sources)","status":"open","published_at":"2026-10-20T22:17:47+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","triaged_at":"2026-10-25T04:24:34+00:00","updated_at":"2026-10-25T04:24:34+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T04:24:34Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Siebel CRM patch that addresses this CVE for the installed Marketing release (unknown from the sources)\n- Restrict HTTP access to the Siebel Marketing endpoints to trusted networks until patched (general mitigation, unknown from the sources)","reach":"network","title":"Oracle Siebel Marketing: unauthenticated HTTP flaw allows limited data changes","impact":"medium","summary":"Oracle Siebel CRM's Marketing component, versions 17.0 through 26.9, has a flaw that lets an unauthenticated attacker reach it over the network via HTTP. A successful attack can update, insert or delete some data the Marketing application can access.","category":"vendor","nicknames":[],"who_cares":["oracle-siebel","crm","marketing","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker alters or deletes some Marketing data without logging in.","analyst_note":"Check the Oracle Siebel CPU advisory and NVD entry for the fixed patch and exact affected builds; sources give no fix or check steps.","how_to_check":"- Confirm whether Siebel CRM Marketing is deployed and which release it runs, against the affected range 17.0-26.9 (unknown how the sources expect this to be read from the installation)\n- Check the Oracle Critical Patch Update advisory for the patch level that covers this release (unknown from the sources)","needs_analyst":true,"not_affected_if":["unaffected-version","no-network-exposure"],"who_is_affected":"Organizations running Oracle Siebel CRM Marketing in the affected version range that expose its HTTP interface to a network an attacker can reach. The sources do not say which configurations are exposed by default, so teams running an unaffected release or with the Marketing endpoints not reachable from untrusted networks can likely skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000687,"input_tokens":3463,"output_tokens":682,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101394':13A,16A '-2026':12A,15A '-26.9':86C '/av':136C '17.0':33B,85C '26.9':35B '3.1':126C,135C '5.3':129C 'access':65B,95C,116C,123C 'affect':83C 'allow':7A,90C 'app':70C,101C,121C 'applic':63B 'attack':43B,53B,92C,104C 'base':127C 'chang':10A 'compon':31B,77C 'compromis':99C 'crm':17B,28B,76C 'cve':11A,14A 'cvss':125C,132C,134C 'data':9A,60B,124C 'delet':58B,115C 'easili':87C 'exploit':88C 'flaw':6A,38B 'host':24B 'http':5A,50B,97C 'impact':131C 'insert':56B,113C 'integr':130C 'l/a':143C 'l/pr':138C 'let':40B 'limit':8A 'market':3A,18B,30B,62B,71C,78C,102C,122C 'n':144C 'n/ac':137C 'n/i':142C 'n/s':140C 'n/ui':139C 'network':48B,94C 'oracl':1A,20B,26B,74C 'oracle-siebel':19B 'product':72C 'reach':44B 'result':109C 'score':128C 'self':23B 'self-host':22B 'siebel':2A,21B,27B,69C,75C,100C,120C 'success':52B,103C 'support':79C 'u/c':141C 'unauthent':4A,42B,91C 'unauthor':111C 'updat':55B,112C 'vector':133C 'vendor':25B 'version':32B,80C 'via':49B,96C 'vulner':66C,89C,107C","nicknames":[],"mitigations":[],"who_affected":"Organizations running Oracle Siebel CRM Marketing in the affected version range that expose its HTTP interface to a network an attacker can reach. The sources do not say which configurations are exposed by default, so teams running an unaffected release or with the Marketing endpoints not reachable from untrusted networks can likely skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:17:47+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-2026-101394","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101394","severity":null,"published_at":"2026-10-20T22:17:47+00:00","modified_at":"2026-10-22T19:17:33+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"}