CVE-2026-91448: Infoleak

Published Oct 20, 2026
·
Updated

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment 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).

Affected Software

2 affected components
Oracle Siebel CRM Deployment>=17.0<=26.9
Oracle Siebel CRM>=17.0<=26.9

Event History

Oct 20, 2026
CVE Published
via MITRE·09:26 PM
Data Sourced
via MITRE·09:26 PM
DescriptionSeverity
Data Sourced
via NVD·10:20 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Which deployments are exposed to this issue?

Oracle Siebel CRM Deployment Server Infrastructure installations running supported versions 17.0 through 26.9 are affected. Exposure requires that an attacker can reach the deployment over HTTP through the network.

2

Does exploitation require credentials or user interaction?

No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access via HTTP, and it does not require user interaction.

3

What could an attacker obtain if exploitation succeeds?

Successful exploitation can provide unauthorized access to critical data or complete access to all data accessible to Siebel CRM Deployment. The stated impact is confidentiality only; no integrity or availability impact is specified.

Contact

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