# CVE-2026-47036: Oracle Siebel CRM compromise in Siebel Approval Manager

Source: https://junglewise.ai/threats/cve-2026-47036-oracle-siebel-crm-compromise-in-siebel-approval-manager  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-21. Updated: 2026-07-21  
License: CC BY 4.0 with a link back

CVE-2026-47036 · Severity: critical · CVSS 9.8 · Published 2026-07-21

A critical vulnerability has been identified in Oracle Siebel CRM's Approval Manager, a component used for managing development workflows and approvals. An unauthorized person can remotely take full control of the system over the internet without needing any login credentials. This could lead to a total loss of data confidentiality, unauthorized changes to business processes, and disruption of CRM operations.

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

## Quick answers

**Is CVE-2026-47036 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47036 being exploited in the wild.

**How severe is CVE-2026-47036?** Critical severity, with a CVSS score of 9.8, published 21 July 2026.

**Which products and versions are affected?** Oracle Siebel CRM Development 17.0-26.3.

**Is there a fix for CVE-2026-47036?** 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-2026-47036 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-47036?** Check whether you run Oracle Siebel CRM Development 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 vulnerability in the Siebel Approval Manager component of Oracle Siebel CRM Development (versions 17.0 through 26.3) allows an unauthenticated attacker with network access via HTTP to compromise the system. The flaw is characterized as 'easily exploitable' and does not require user interaction. Successful exploitation grants the attacker full control over the Siebel CRM Development environment, impacting confidentiality, integrity, and availability (CVSS 9.8). Users are advised to refer to the Oracle Critical Patch Update for July 2026 for remediation steps.

## Affected products

- Oracle Siebel CRM Development 17.0-26.3

## Timeline

- 2026-07-21: disclosed: Initial disclosure by Oracle
- 2026-07-21: advisory: NVD publication date

## References

- [https://www.oracle.com/security-alerts/cpujul2026.html](https://www.oracle.com/security-alerts/cpujul2026.html)

## Related threats

- [Oracle Siebel CRM Development remote code execution in Integration Scripting](https://junglewise.ai/threats/cve-2026-91413-vulnerability-in-the-siebel-crm-development-product-of-oracle)
- [Oracle Siebel CRM Development authentication bypass in Approval Manager](https://junglewise.ai/threats/cve-2026-101495-vulnerability-in-the-siebel-crm-development-product-of-oracle)
- [Oracle Siebel CRM Development privilege escalation in Configuration Tools](https://junglewise.ai/threats/cve-2026-101456-vulnerability-in-the-siebel-crm-development-product-of-oracle)
- [Oracle Siebel CRM Development code injection in Integration Scripting](https://junglewise.ai/threats/cve-2026-101455-vulnerability-in-the-siebel-crm-development-product-of-oracle)
- [Oracle Siebel CRM Development privilege escalation in Configuration Tools](https://junglewise.ai/threats/cve-2026-101454-vulnerability-in-the-siebel-crm-development-product-of-oracle)