{"id":"CVE-2026-91421","revision":"6b727af3fdf14e92839ad3bd5096cafd","records":[{"revision":"6b727af3fdf14e92839ad3bd5096cafd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91421","aliases":[],"title":"Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network…","description":"Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 5.9 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).","state":0,"publishedAt":"2026-10-20T21:25:52.749+00:00","modifiedAt":"2026-10-20T21:25:52.749+00:00","affected":[{"ecosystem":"Vendor product","name":"Siebel CRM Deployment","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Oracle Corporation\",\n                    \"product\": \"Siebel CRM Deployment\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"26.9\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://www.oracle.com/security-alerts/cpuoct2026.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91421","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91421","identifiers":["CVE-2026-91421"]},"retained":false,"historicalAffected":[]}],"coverage":[]}