Is CVE-2026-46890 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-46890 being exploited in the wild.

How severe is CVE-2026-46890?

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-2026-46890?

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-2026-46890 attacked?

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

Am I affected by CVE-2026-46890?

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-2026-46890: Oracle Siebel CRM improper access control in Marketing component

CVE-2026-46890 · 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 customer relationships and marketing campaigns. This flaw allows an unauthorized person to gain full control over the marketing application over the internet without needing a username or password. An attacker could potentially steal sensitive customer data, modify marketing records, or disrupt business operations.

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

Quick answers

Is CVE-2026-46890 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-46890 being exploited in the wild.
How severe is CVE-2026-46890?: 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-2026-46890?: 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-2026-46890 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-46890?: 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 in the Marketing component of Oracle Siebel CRM is classified under improper access control and missing authentication (CWE-284, CWE-306). It is easily exploitable by an unauthenticated attacker with network access via HTTP. The flaw allows for a complete takeover of the Siebel Apps - Marketing environment, impacting confidentiality, integrity, and availability. The vulnerability affects supported versions 17.0 through 26.5. Oracle has addressed this in their June 2026 Critical Patch Update.

Affected products

Oracle Siebel Apps - Marketing 17.0-26.5

Timeline

2026-06-17: disclosed
2026-06-17: advisory

References

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

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