Is CVE-2026-46887 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-46887 being exploited in the wild.

How severe is CVE-2026-46887?

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-2026-46887?

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-2026-46887 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-46887?

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.

CVE-2026-46887: Oracle Siebel CRM unauthenticated takeover in Marketing component

CVE-2026-46887 · 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 businesses to manage large-scale marketing campaigns and customer data. An unauthorized person can exploit this flaw over the internet to gain full control of the application without needing a username or password. This could lead to a total loss of customer data confidentiality, unauthorized changes to marketing operations, and a complete shutdown of the service.

Technologies: Oracle Siebel Apps - Marketing. Vendors: Oracle.

Quick answers

Is CVE-2026-46887 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-46887 being exploited in the wild.
How severe is CVE-2026-46887?: 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-2026-46887?: 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-2026-46887 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-46887?: 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 (versions 17.0 through 26.5) allows for a complete system takeover. The flaw is categorized as easily exploitable and can be triggered by an unauthenticated attacker with network access via HTTP. While the specific CWE is not detailed in the advisory, the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates a remote, low-complexity attack requiring no user interaction or privileges. Successful exploitation results in a total impact on confidentiality, integrity, and availability. Users are advised to refer to the Oracle Critical Patch Update for June 2026 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 published the CVE record

References

https://www.oracle.com/security-alerts/cspujun2026.html

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.