Easy Remote Low-Pri Attacker Can Modify Data in Oracle Siebel Apps COM 17.0-26.9
CVE-2026-91441 Published on October 20, 2026

Vulnerability in the Siebel Apps - Customer Order Management product of Oracle Siebel CRM (component: Order Management). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Apps - Customer Order Management. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Customer Order Management, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel Apps - Customer Order Management accessible data as well as unauthorized read access to a subset of Siebel Apps - Customer Order Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel Apps - Customer Order Management. CVSS 3.1 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L).