# CVE-2026-46884: Oracle Siebel CRM improper access control in Marketing component

Source: https://junglewise.ai/threats/cve-2026-46884-oracle-siebel-crm-improper-access-control-in-marketing-component  
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-2026-46884 · Severity: critical · CVSS 9.8 · Published 2026-06-17

A critical vulnerability has been identified in Oracle Siebel CRM's Marketing component, which is used by organizations to manage large-scale marketing campaigns and customer data. An unauthorized person can remotely take full control of the application over the internet without needing any login credentials. This could lead to a total loss of sensitive customer information, unauthorized modification of marketing data, and complete disruption of marketing operations.

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-2026-46884 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-46884 being exploited in the wild.

**How severe is CVE-2026-46884?** Critical severity, with a CVSS score of 9.8, published 17 June 2026.

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

**Is there a fix for CVE-2026-46884?** 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-2026-46884 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-46884?** 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

This vulnerability (CVE-2026-46884) is classified as an improper access control issue (CWE-284) within the Marketing component of Oracle Siebel CRM. It is highly exploitable as it requires no authentication (PR:N) and no user interaction (UI:N). An attacker can exploit this flaw over the network via HTTP to gain full control over the affected Siebel Apps - Marketing instance. Successful exploitation results in a total compromise of confidentiality, integrity, and availability. Users are advised to refer to the Oracle Critical Patch Update for June 2026 for remediation steps.

## Affected products

- Oracle Corporation Siebel Apps - Marketing 17.0-26.5

## Timeline

- 2026-06-17: disclosed
- 2026-06-17: advisory: Oracle June 2026 Critical Patch Update released

## References

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

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