CVE-2026-91427
LowCVSS 2.3Exploitation Probability (EPSS)
Low risk4th percentile - higher than 4% of all known CVEs
Summary
Vulnerability in Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.9. An easily exploitable flaw allows a high privileged attacker with infrastructure logon to cause partial denial of service.
Risk Assessment
May cause partial unavailability of the Siebel CRM service, disrupting business processes, although it requires high privileges.
Recommendation
Apply Oracle patches for Siebel CRM Deployment 17.0-26.9 and restrict infrastructure access to essential administrators.
Other vulnerabilities in Siebel CRM Deployment
See all- CVE-2026-101449Low
Vulnerability in Siebel CRM Deployment (component Siebel Management Console) affecting versions 17.0-26.9. An easily exploitable attack requiring physical access allows unauthorized read access to a subset of data.
- CVE-2026-21926High
Vulnerability in Oracle Siebel CRM Deployment product (component: Server Infrastructure) affects versions 17.0-25.2. An unauthenticated attacker with network access via TLS can easily compromise the system, causing a hang or frequently repeatable crash (complete DoS).
- CVE-2026-91450High
Vulnerability in Siebel CRM Deployment (Server Infrastructure component) versions 17.0-26.9. A difficult-to-exploit attack by an unauthenticated attacker with network access via HTTP may allow unauthorized creation, deletion or modification of data and access to it. CVSS 7.4.
- CVE-2026-91449High
Vulnerability in Siebel CRM Deployment (Server Infrastructure component) versions 17.0-26.9. A difficult-to-exploit attack by an unauthenticated attacker with network access via HTTP may allow unauthorized creation, deletion or modification of data and access to it. CVSS 7.4.
- CVE-2026-91436Low
Vulnerability in Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.9. A difficult to exploit flaw allows a high privileged attacker with infrastructure logon to perform unauthorized update, insert or delete, read a subset of data, and cause partial denial of service.
- CVE-2026-91414Medium
Vulnerability in the Server Infrastructure component of Siebel CRM Deployment. A difficult-to-exploit attack requires user interaction and can lead to unauthorized access to critical data.
- CVE-2026-83230High
Vulnerability in Oracle Siebel CRM Deployment (component: Siebel Management Console) affecting versions 17.0-26.7. A low-privileged attacker with network access via HTTP can gain unauthorized access to critical data and modify, insert, or delete data. CVSS 3.1 Base Score 7.1.
- CVE-2026-83228High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via TCP can cause a hang or frequently repeatable crash (complete DoS). CVSS 3.1 Base Score 7.5.
- CVE-2026-83226High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A difficult-to-exploit attack via HTTP can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5.
- CVE-2026-83225High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via TCP can cause a hang or frequently repeatable crash (complete DoS). CVSS 3.1 Base Score 7.5.
Original NVD description (English source)
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 ability to cause a partial denial of service (partial DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 2.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS