# CVE-2026-83199: Oracle Siebel CRM Deployment remote code execution in Server Infrastructure

Source: https://junglewise.ai/threats/cve-2026-83199-oracle-siebel-crm-deployment-remote-code-execution-in-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83199 · Severity: high · CVSS 8.8 · Published 2026-09-15

Oracle Siebel CRM Deployment is a customer relationship management system used by enterprises to manage business operations and customer interactions. A remote code execution vulnerability in the Server Infrastructure component allows a low-privileged attacker with network access to take over the entire Siebel CRM Deployment system, gaining complete control over customer data, business processes, and system availability.

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

## Quick answers

**Is CVE-2026-83199 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83199 being exploited in the wild.

**How severe is CVE-2026-83199?** High severity, with a CVSS score of 8.8, published 15 September 2026.

**Which products and versions are affected?** Oracle Siebel CRM Deployment 17.0 to 26.7.

**Is there a fix for CVE-2026-83199?** 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-2026-83199 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-83199?** Check whether you run Oracle Siebel CRM Deployment 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

This vulnerability in Oracle Siebel CRM Deployment's Server Infrastructure component is easily exploitable by a low-privileged attacker with network access via HTTP. The attack requires authentication (low privilege credentials) but no user interaction. Successful exploitation results in complete compromise of the affected system with high impact to confidentiality, integrity, and availability (CVSS 8.8). The vulnerability allows an attacker to execute arbitrary code and achieve system takeover. Affected versions range from 17.0 through 26.7. No patch information is currently available in the advisory.

## Affected products

- Oracle Siebel CRM Deployment 17.0 to 26.7

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle Siebel CRM unauthorized data access in Server Infrastructure](https://junglewise.ai/threats/cve-2026-91450-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM Deployment unauthorized data access via HTTP](https://junglewise.ai/threats/cve-2026-91449-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
- [Oracle Siebel CRM Deployment unauthenticated data access](https://junglewise.ai/threats/cve-2026-91448-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)
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- [Oracle Siebel CRM privilege escalation in Server Infrastructure](https://junglewise.ai/threats/cve-2026-91444-vulnerability-in-the-siebel-crm-deployment-product-of-oracle)