Live › vulnerability › CVE-2026-91423
Go to dashboardOracle Siebel CRM Deployment, in the Server Infrastructure component, has a flaw affecting supported versions 17.0 through 26.9. An attacker who already holds high privileges and logon on the host where Siebel CRM Deployment runs can create, change, delete or read critical CRM data.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Teams that run Oracle Siebel CRM Deployment on-premises on versions 17.0 through 26.9 are in scope. The attacker needs high privileges and logon to the infrastructure where the deployment runs, so exposure is limited to insiders or an attacker who already has host access. Teams on managed Oracle hosting or outside the affected version range can skip it.
No product ranges from the sources yet.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N).
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