CVE-2026-83215: High severity Oracle Siebel CRM Deployment vulnerability

Q: Which deployments are exposed to this vulnerability?

Oracle Siebel CRM Deployment Server Infrastructure installations running supported versions 17.0 through 26.7 are affected. An attacker needs network access to the deployment over HTTP.

Q: Does exploitation require an account or user interaction?

No. The vulnerability is described as unauthenticated and requires neither privileges nor user interaction; it is rated low complexity.

Q: What could an attacker do after successful exploitation?

An attacker could obtain unauthorized access to critical data or all data accessible to Siebel CRM Deployment. They could also perform unauthorized update, insert, or delete operations on some accessible data.

Published Sep 15, 2026

Updated

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. 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 as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

Affected Software

1 affected component

Oracle Siebel CRM Deployment>=17.0<=26.7

Event History

Sep 15, 2026

CVE Published

via MITRE·08:04 PM

Data Sourced

via MITRE·08:04 PM

DescriptionSeverity

Data Sourced

via NVD·08:18 PM

DescriptionSeverity

Frequently Asked Questions

Which deployments are exposed to this vulnerability?

Oracle Siebel CRM Deployment Server Infrastructure installations running supported versions 17.0 through 26.7 are affected. An attacker needs network access to the deployment over HTTP.

Does exploitation require an account or user interaction?

No. The vulnerability is described as unauthenticated and requires neither privileges nor user interaction; it is rated low complexity.

What could an attacker do after successful exploitation?

An attacker could obtain unauthorized access to critical data or all data accessible to Siebel CRM Deployment. They could also perform unauthorized update, insert, or delete operations on some accessible data.

CVE-2026-83215: High severity Oracle Siebel CRM Deployment vulnerability

Affected Software

Event History

Frequently Asked Questions

Which deployments are exposed to this vulnerability?

Does exploitation require an account or user interaction?

What could an attacker do after successful exploitation?

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Frequently Asked Questions

Which deployments are exposed to this vulnerability?

Does exploitation require an account or user interaction?

What could an attacker do after successful exploitation?