# CVE-2026-83215: Oracle Siebel CRM Server Infrastructure authentication bypass

Source: https://junglewise.ai/threats/cve-2026-83215-oracle-siebel-crm-server-infrastructure-authentication-bypass  
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-2026-83215 · Severity: high · CVSS 8.2 · Published 2026-09-15

Oracle Siebel CRM is a customer relationship management platform used by enterprises to manage customer interactions and data. An unauthenticated attacker can exploit a vulnerability in the Server Infrastructure component via network access to read sensitive customer data, modify records, and insert or delete business information without proper authorization.

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

## Quick answers

**Is CVE-2026-83215 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83215 being exploited in the wild.

**How severe is CVE-2026-83215?** High severity, with a CVSS score of 8.2, published 15 September 2026.

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

**Is there a fix for CVE-2026-83215?** 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-2026-83215 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-83215?** 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

The vulnerability is an unauthenticated access control flaw in the Siebel CRM Server Infrastructure component affecting versions 17.0 through 26.7. The vulnerability is easily exploitable via HTTP and requires no authentication or user interaction—an attacker on the network can directly compromise the application. Successful exploitation allows unauthorized read access to all data within Siebel CRM Deployment as well as unauthorized modification, insertion, or deletion of some accessible data. No patch information is currently available from Oracle.

## Affected products

- Oracle Siebel CRM 17.0 through 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 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)