# CVE-2026-101508: Oracle Siebel CRM Integration denial of service in EAI

Source: https://junglewise.ai/threats/cve-2026-101508-vulnerability-in-the-siebel-crm-integration-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-2026-101508 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Siebel CRM Integration is a customer relationship management platform used by enterprises to manage business processes and customer data. A network-accessible vulnerability in the EAI (Enterprise Application Integration) component allows unauthenticated attackers to crash the service, causing complete service outage with no loss of data or unauthorized access. An attacker needs only network access to the HTTP interface to trigger the denial-of-service attack.

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

## Quick answers

**Is CVE-2026-101508 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101508 being exploited in the wild.

**How severe is CVE-2026-101508?** High severity, with a CVSS score of 7.5, published 20 October 2026.

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

**Is there a fix for CVE-2026-101508?** 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-2026-101508 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-101508?** Check whether you run Oracle Siebel CRM Integration 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 is a denial-of-service vulnerability in the Enterprise Application Integration (EAI) component of Oracle Siebel CRM Integration. The vulnerability is easily exploitable via HTTP without authentication or user interaction, affecting versions 17.0 through 26.9. Successful exploitation causes the application to hang or crash repeatedly, resulting in complete service unavailability.

## Affected products

- Oracle Siebel CRM Integration 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 Integration cross-site request forgery in Open Integration](https://junglewise.ai/threats/cve-2026-91378-vulnerability-in-the-siebel-crm-integration-product-of-oracle)
- [Oracle Siebel CRM Integration unauthorized data access via HTTP](https://junglewise.ai/threats/cve-2026-91377-vulnerability-in-the-siebel-crm-integration-product-of-oracle)
- [Oracle Siebel CRM Integration cross-site request forgery in EAI](https://junglewise.ai/threats/cve-2026-87338-vulnerability-in-the-siebel-crm-integration-product-of-oracle)
- [Oracle Siebel CRM Open Integration CSRF or XSS vulnerability](https://junglewise.ai/threats/cve-2026-101492-vulnerability-in-the-siebel-crm-integration-product-of-oracle)
- [Oracle Siebel CRM Integration authentication bypass in Open Integration](https://junglewise.ai/threats/cve-2026-83326-oracle-siebel-crm-integration-authentication-bypass-in-open)