CVE-2026-91365: Infoleak

Published Oct 20, 2026
·
Updated

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

Affected Software

2 affected components
Oracle Siebel CRM Cloud Applications>=22.3<=26.9
Oracle Siebel CRM>=22.3<=26.9

Event History

Oct 20, 2026
CVE Published
via MITRE·09:25 PM
Data Sourced
via MITRE·09:25 PM
DescriptionSeverity
Data Sourced
via NVD·10:20 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Who is realistically exposed to this issue?

Affected deployments are Oracle Siebel CRM Cloud Applications versions 22.3 through 26.9 using the Siebel Cloud Manager component. An attacker must have access to the physical communication segment connected to the hardware running the application, so exposure is limited to attackers with adjacent network access rather than arbitrary Internet-based attackers.

2

Does exploitation require an account or user interaction?

No. The CVSS vector indicates no privileges and no user interaction are required, but exploitation is rated high complexity and requires adjacent-network access.

3

What could an attacker gain if exploitation succeeds?

A successful attack can provide unauthorized access to critical data or all accessible Siebel CRM Cloud Applications data. It can also permit unauthorized update, insert, or delete actions against some accessible data.

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