Is CVE-2026-91414 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-91414 being exploited in the wild.

How severe is CVE-2026-91414?

Medium severity, with a CVSS score of 5.3, published 20 October 2026.

Which products and versions are affected?

Oracle Siebel CRM Deployment 17.0 to 26.9.

Is there a fix for CVE-2026-91414?

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-2026-91414 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-91414?

Check whether you run Oracle Siebel CRM Deployment 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-2026-91414: Oracle Siebel CRM Deployment clickjacking in Server Infrastructure

CVE-2026-91414 · Severity: medium · CVSS 5.3 · Published 2026-10-20

Oracle Siebel CRM Deployment is a customer relationship management platform used by enterprises to manage customer data and interactions. This vulnerability allows an unauthenticated attacker to trick a user into performing unintended actions on the application, potentially exposing sensitive customer data. An attacker would need to lure a victim to a malicious website, making this difficult to exploit at scale but high-impact when successful.

Technologies: Oracle Siebel CRM Deployment. Vendors: Oracle.

Quick answers

Is CVE-2026-91414 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-91414 being exploited in the wild.
How severe is CVE-2026-91414?: Medium severity, with a CVSS score of 5.3, published 20 October 2026.
Which products and versions are affected?: Oracle Siebel CRM Deployment 17.0 to 26.9.
Is there a fix for CVE-2026-91414?: 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-2026-91414 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-91414?: Check whether you run Oracle Siebel CRM Deployment 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 is a user-interaction-based vulnerability (likely clickjacking or similar UI redress attack) in the Siebel CRM Deployment Server Infrastructure component, exploitable remotely over HTTP without authentication. The attack requires social engineering or user interaction to succeed. Successful exploitation grants read-only access to sensitive CRM data accessible to the compromised user.

Affected products

Oracle Siebel CRM Deployment 17.0 to 26.9

Timeline

2026-10-20: disclosed

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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