{"id":"CVE-2026-91431","title":"Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI)","summary":"Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI).  Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastruc…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","vendor":"Oracle Corporation","product":"Siebel CRM End User","affected":["siebel_crm_end_user >= 17.0 <= 26.9"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:25:55.864Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91431","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.757Z","slug":"CVE-2026-91431","body":"## Overview\n\nVulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI).  Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM End User executes to compromise Siebel CRM End User.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).\n\n## Affected\n\n- `siebel_crm_end_user >= 17.0 <= 26.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}