CVE-2026-83183: Easily exploitable 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. in Oracle Corporation Siebel CRM Deployment
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Easily exploitable 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
AI Analysis
Technical Summary
This vulnerability affects the Server Infrastructure component of Oracle Siebel CRM Deployment in versions 17.0 through 26.7. An unauthenticated attacker with network access via HTTP can exploit this flaw to cause the application to hang or crash repeatedly, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting the high impact on availability with no impact on confidentiality or integrity. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides targeted security fixes across multiple products including Siebel CRM Deployment.
Potential Impact
Successful exploitation results in unauthorized denial of service by causing the Siebel CRM Deployment to hang or crash repeatedly. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers are strongly advised to apply the available patches promptly to mitigate the risk. No indication of alternative mitigations or workarounds is provided. Patch status is confirmed by the vendor advisory.
CVE-2026-83183: Easily exploitable 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. in Oracle Corporation Siebel CRM Deployment
Description
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Easily exploitable 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS v3.1
Score 7.5high
Affected software
Oracle Corporation
Siebel CRM Deployment
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Server Infrastructure component of Oracle Siebel CRM Deployment in versions 17.0 through 26.7. An unauthenticated attacker with network access via HTTP can exploit this flaw to cause the application to hang or crash repeatedly, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting the high impact on availability with no impact on confidentiality or integrity. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides targeted security fixes across multiple products including Siebel CRM Deployment.
Potential Impact
Successful exploitation results in unauthorized denial of service by causing the Siebel CRM Deployment to hang or crash repeatedly. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers are strongly advised to apply the available patches promptly to mitigate the risk. No indication of alternative mitigations or workarounds is provided. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.345Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a82655bf5e2cf553804d
Added to database: 09/15/2026, 20:18:46 UTC
Last enriched: 09/15/2026, 22:50:14 UTC
Last updated: 09/16/2026, 03:03:35 UTC
Views: 3
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