# CVE-2026-101396: Oracle Siebel CRM Marketing integrity violation

Source: https://junglewise.ai/threats/cve-2026-101396-vulnerability-in-the-siebel-apps-marketing-product-of-oracle  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-101396 · Severity: medium · CVSS 4.7 · Published 2026-10-20

Oracle Siebel CRM is a customer relationship management system used by enterprises to manage sales, marketing, and customer data. A vulnerability in the Marketing component allows a low-privileged attacker with local access to the infrastructure to modify, create, or delete critical customer data without authorization. Successful exploitation could compromise the integrity of business-critical customer information.

Technologies: [Oracle Siebel CRM](https://junglewise.ai/threats/technologies/siebel-crm). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101396 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101396 being exploited in the wild.

**How severe is CVE-2026-101396?** Medium severity, with a CVSS score of 4.7, published 20 October 2026.

**Which products and versions are affected?** Oracle Siebel CRM 17.0–26.9.

**Is there a fix for CVE-2026-101396?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-101396 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-101396?** Check whether you run Oracle Siebel CRM at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A difficult-to-exploit local privilege escalation in Oracle Siebel Apps Marketing (versions 17.0–26.9) allows a low-privileged attacker with logon access to the infrastructure to perform unauthorized data modification, creation, or deletion. The vulnerability requires local access and high complexity conditions to exploit, but results in integrity compromise of critical or all accessible data within the Marketing component.

## Affected products

- Oracle Siebel CRM 17.0–26.9

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Siebel CRM Deployment privilege escalation in Server Infrastructure](https://junglewise.ai/threats/cve-2026-91446-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM Financial Accounts unauthorized data access](https://junglewise.ai/threats/cve-2026-91430-vulnerability-in-the-siebel-apps-financial-services-product-of)
- [Oracle Siebel CRM Server Infrastructure privilege escalation](https://junglewise.ai/threats/cve-2026-91423-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM information disclosure in Management Console](https://junglewise.ai/threats/cve-2026-101448-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM Apps - Marketing cross-site request forgery in Email Marketing](https://junglewise.ai/threats/cve-2026-101408-vulnerability-in-the-siebel-apps-marketing-product-of-oracle)