CVE-2026-91377
HighCVSS 7.5Summary
Vulnerability in Oracle Siebel CRM Integration (component Open Integration) versions 25.12-26.9. An easily exploitable attack via HTTP network access allows an unauthenticated attacker to gain unauthorized access to critical data.
Risk Assessment
An attacker can access all data available in Siebel CRM Integration, posing a serious risk of confidentiality breach.
Recommendation
Update Oracle Siebel CRM Integration to a patched version and consider restricting network access to the Open Integration component.
Other vulnerabilities in Oracle Siebel CRM Integration
See all- CVE-2026-83221High
Vulnerability in Oracle Siebel CRM Integration (component: EAI) affecting versions 17.0-26.7. A low-privileged attacker with network access via SOAP can gain unauthorized access to critical data and update, insert, or delete some data accessible in Siebel CRM Integration.
- CVE-2026-83220High
Vulnerability in Oracle Siebel CRM Integration (component: Event Publish and Subscribe) affecting versions 23.6-26.7. An unauthenticated attacker with access to the physical communication segment attached to the hardware running Siebel CRM Integration can create, delete, or modify critical data and gain full access to it.
Original NVD description (English source)
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS