Siebel CRM Integration: data tampering via Event Publish and Subscribe

High8.1CVE-2026-83220 · Published Sep 15, 2026 · updated Sep 18, 2026

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscribe). Supported versions that are affected are 23.6-26.7. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Integration executes to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).