# CVE-2026-46886: Oracle Siebel CRM improper access control in Siebel Apps - Marketing

Source: https://junglewise.ai/threats/cve-2026-46886-oracle-siebel-crm-improper-access-control-in-siebel-apps  
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-2026-46886 · Severity: high · CVSS 8.8 · Published 2026-06-17

A security vulnerability exists in the Marketing component of Oracle Siebel CRM, a platform used by large organizations to manage customer relationships and marketing campaigns. An attacker with basic user access can exploit this flaw over the network to gain full control of the Marketing application. This could lead to the theft of sensitive customer data, unauthorized changes to marketing operations, or a total shutdown of the service.

Technologies: [Oracle Siebel Apps - Marketing](https://junglewise.ai/threats/technologies/siebel-apps-marketing). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-46886 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-46886 being exploited in the wild.

**How severe is CVE-2026-46886?** High severity, with a CVSS score of 8.8, published 17 June 2026.

**Which products and versions are affected?** Oracle Siebel Apps - Marketing 17.0-26.5.

**Is there a fix for CVE-2026-46886?** 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-2026-46886 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-46886?** Check whether you run Oracle Siebel Apps - Marketing 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 Marketing component of Oracle Siebel CRM (specifically Siebel Apps - Marketing) is classified as Improper Access Control (CWE-284). The flaw is easily exploitable by a low-privileged attacker with network access via HTTP. Successful exploitation allows the attacker to bypass security restrictions and achieve a complete takeover of the affected component, impacting confidentiality, integrity, and availability. Affected versions range from 17.0 through 26.5. Users are advised to refer to the Oracle Critical Patch Update for remediation steps.

## Affected products

- Oracle Siebel Apps - Marketing 17.0-26.5

## Timeline

- 2026-06-17: disclosed: Initial disclosure by Oracle
- 2026-06-17: advisory: NVD publication date

## References

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

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