CVE-2026-83191: Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. in Oracle Corporation Siebel CRM Deployment
CVE-2026-83191 is a high-severity vulnerability in Oracle Siebel CRM Deployment (Server Infrastructure component) affecting versions 17.0 through 26.7. It allows an unauthenticated attacker with network access via TCP to potentially take over the Siebel CRM Deployment. The vulnerability has a CVSS 3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in their September 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
This vulnerability in Oracle Siebel CRM Deployment's Server Infrastructure component affects versions 17.0 through 26.7. It is exploitable remotely by unauthenticated attackers with network access via TCP, though it is considered difficult to exploit. Successful exploitation can lead to full compromise of the Siebel CRM Deployment, impacting confidentiality, integrity, and availability. The CVSS 3.1 vector is AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H with a base score of 8.1. Oracle has released patches for this vulnerability as part of their September 2026 Critical Security Patch Update, which includes 673 security fixes across multiple products.
Potential Impact
An unauthenticated attacker with network access via TCP can exploit this vulnerability to take over the Siebel CRM Deployment, resulting in complete compromise of confidentiality, integrity, and availability of the affected system. The vulnerability is rated high severity with a CVSS 3.1 score of 8.1.
Mitigation Recommendations
Oracle has released a security patch addressing this vulnerability in the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches promptly to mitigate the risk. Oracle recommends remaining on actively-supported versions and applying security patches without delay. Patch status is confirmed as available via the official Oracle advisory.
CVE-2026-83191: Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. in Oracle Corporation Siebel CRM Deployment
Description
CVE-2026-83191 is a high-severity vulnerability in Oracle Siebel CRM Deployment (Server Infrastructure component) affecting versions 17.0 through 26.7. It allows an unauthenticated attacker with network access via TCP to potentially take over the Siebel CRM Deployment. The vulnerability has a CVSS 3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in their September 2026 Critical Security Patch Update.
CVSS v3.1
Score 8.1high
Affected software
Oracle Corporation
Siebel CRM Deployment
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Siebel CRM Deployment's Server Infrastructure component affects versions 17.0 through 26.7. It is exploitable remotely by unauthenticated attackers with network access via TCP, though it is considered difficult to exploit. Successful exploitation can lead to full compromise of the Siebel CRM Deployment, impacting confidentiality, integrity, and availability. The CVSS 3.1 vector is AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H with a base score of 8.1. Oracle has released patches for this vulnerability as part of their September 2026 Critical Security Patch Update, which includes 673 security fixes across multiple products.
Potential Impact
An unauthenticated attacker with network access via TCP can exploit this vulnerability to take over the Siebel CRM Deployment, resulting in complete compromise of confidentiality, integrity, and availability of the affected system. The vulnerability is rated high severity with a CVSS 3.1 score of 8.1.
Mitigation Recommendations
Oracle has released a security patch addressing this vulnerability in the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches promptly to mitigate the risk. Oracle recommends remaining on actively-supported versions and applying security patches without delay. Patch status is confirmed as available via the official Oracle 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: 6aa9a82855bf5e2cf5538058
Added to database: 09/15/2026, 20:18:48 UTC
Last enriched: 09/15/2026, 22:50:52 UTC
Last updated: 09/15/2026, 23:17:37 UTC
Views: 3
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