# CVE-2026-101436: Oracle Siebel CRM Cloud Manager unauthorized data access

Source: https://junglewise.ai/threats/cve-2026-101436-vulnerability-in-the-siebel-crm-cloud-applications-product-of  
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-2026-101436 · Severity: medium · CVSS 4.1 · Published 2026-10-20

Siebel CRM Cloud Manager is a component of Oracle's Siebel CRM Cloud Applications that manages cloud-based customer relationship management. A local vulnerability allows a high-privileged attacker with infrastructure access to read sensitive customer data or access all data available to the CRM system without authorization.

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

## Quick answers

**Is CVE-2026-101436 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101436 being exploited in the wild.

**How severe is CVE-2026-101436?** Medium severity, with a CVSS score of 4.1, published 20 October 2026.

**Which products and versions are affected?** Oracle Siebel CRM Cloud Applications 22.3 to 26.9.

**Is there a fix for CVE-2026-101436?** 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-2026-101436 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-101436?** Check whether you run Oracle Siebel CRM Cloud Applications 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 local privilege escalation vulnerability in Siebel Cloud Manager (CVE-2026-101436) requires high privileges and infrastructure logon but has high attack complexity. An authenticated attacker on the same infrastructure can gain unauthorized read access to confidential data stored within CRM applications. The vulnerability affects versions 22.3 through 26.9 and is difficult to exploit, with no evidence of active exploitation.

## Affected products

- Oracle Siebel CRM Cloud Applications 22.3 to 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 information disclosure in Cloud Manager](https://junglewise.ai/threats/cve-2026-91371-vulnerability-in-the-siebel-crm-cloud-applications-product-of)
- [Oracle Siebel CRM information disclosure in Cloud Manager](https://junglewise.ai/threats/cve-2026-91370-vulnerability-in-the-siebel-crm-cloud-applications-product-of)
- [Oracle Siebel CRM data integrity tampering in Cloud Manager](https://junglewise.ai/threats/cve-2026-91369-vulnerability-in-the-siebel-crm-cloud-applications-product-of)
- [Oracle Siebel CRM unauthorized data access in Cloud Manager](https://junglewise.ai/threats/cve-2026-91368-vulnerability-in-the-siebel-crm-cloud-applications-product-of)
- [Oracle Siebel CRM Cloud Applications privilege escalation in Cloud Manager](https://junglewise.ai/threats/cve-2026-91367-vulnerability-in-the-siebel-crm-cloud-applications-product-of)