CVE-2026-91421

MediumCVSS 5.9/10Last modified Oct 23, 2026

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 20, 2026
Last modified
Oct 23, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-914225.3Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-914236.0Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-914246.4Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-914265.5Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-914272.3Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-914284.3Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-2CVE-2026-914296.5Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affCVE-2026-91435.3There is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks in CodeGen.  This may silCVE-2026-914306.5Vulnerability in the Siebel Apps - Financial Services product of Oracle Siebel CRM (component: Financial Accounts). Supported versions thatCVE-2026-914315.5Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-2CVE-2026-914326.5Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-2CVE-2026-914337.2Vulnerability in the Siebel Apps - Field Service product of Oracle Siebel CRM (component: Smart Answer). Supported versions that are affect