CVE-2026-91360: Oracle Siebel CRM unauthorized data access in Cloud Manager

CVE-2026-91360 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle Siebel CRM is a customer relationship management system that stores sensitive business data. A vulnerability in the Siebel Cloud Manager component allows low-privileged users to gain unauthorized access to critical customer data and all accessible information in the system through the network. An attacker could exploit this to view confidential business records without authorization.

Technologies: Oracle Siebel CRM Cloud Applications. Vendors: Oracle.

Quick answers

Is CVE-2026-91360 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91360 being exploited in the wild.
How severe is CVE-2026-91360?
Medium severity, with a CVSS score of 6.5, published 20 October 2026.
Which products and versions are affected?
Oracle Siebel CRM Cloud Applications 22.3-26.9.
Is there a fix for CVE-2026-91360?
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-2026-91360 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-91360?
Check whether you run Oracle Siebel CRM Cloud Applications 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 low-privileged network-based vulnerability in the Siebel Cloud Manager component of Siebel CRM Cloud Applications allows unauthorized data access via HTTP. The vulnerability requires network access and low privileges but no user interaction, resulting in confidentiality impact and unauthorized access to critical data. The attack vector is network-based with low complexity and no system impact isolation.

Affected products

  • Oracle Siebel CRM Cloud Applications 22.3-26.9

Timeline

  • 2026-10-20: disclosed

References

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