# CVE-2026-46919: Oracle Siebel CRM authentication bypass in Siebel Cloud Manager

Source: https://junglewise.ai/threats/cve-2026-46919-oracle-siebel-crm-authentication-bypass-in-siebel-cloud-manager  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-17. Updated: 2026-06-17  
License: CC BY 4.0 with a link back

CVE-2026-46919 · Severity: critical · CVSS 9.8 · Published 2026-06-17

A critical vulnerability has been identified in Oracle Siebel CRM Cloud Applications, specifically within the Siebel Cloud Manager component. This software is used by organizations to manage customer relationships and cloud deployments. An exploit could allow an unauthorized person to take complete control of the application, potentially leading to the theft of sensitive customer data or a total shutdown of the service.

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-2026-46919 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-46919 being exploited in the wild.

**How severe is CVE-2026-46919?** Critical severity, with a CVSS score of 9.8, published 17 June 2026.

**Which products and versions are affected?** Oracle Siebel CRM Cloud Applications 17.0-26.5.

**Is there a fix for CVE-2026-46919?** 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-2026-46919 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-46919?** 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

This vulnerability is classified as a failure in improper access control and missing authentication (CWE-306, CWE-287). It resides in the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications versions 17.0 through 26.5. An unauthenticated attacker can exploit this flaw over the network via HTTP without any user interaction. A successful exploit results in a complete takeover of the application, impacting confidentiality, integrity, and availability. Oracle has addressed this in their June 2026 security update.

## Affected products

- Oracle Siebel CRM Cloud Applications 17.0-26.5

## Timeline

- 2026-06-17: disclosed
- 2026-06-17: advisory: Oracle security alert published

## References

- [https://www.oracle.com/security-alerts/cspujun2026.html](https://www.oracle.com/security-alerts/cspujun2026.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)