CVE-2026-83154: Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. in Oracle Corporation Siebel CRM End User
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
AI Analysis
Technical Summary
This vulnerability in Oracle Siebel CRM End User's Open UI component allows an unauthenticated network attacker to exploit SOAP access to gain unauthorized control over critical data. Successful exploitation can result in unauthorized creation, deletion, or modification of data accessible via Siebel CRM End User, compromising confidentiality and integrity. The affected versions are 17.0 through 26.7 inclusive. Oracle has published a Critical Security Patch Update in September 2026 that includes fixes for this vulnerability among others.
Potential Impact
The vulnerability enables an unauthenticated attacker to gain unauthorized access to critical data within Siebel CRM End User, including the ability to create, delete, or modify such data. This compromises the confidentiality and integrity of the affected system's data, potentially leading to significant business impact due to data manipulation or exposure. There is no reported impact on availability.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers are strongly advised to apply the provided patches promptly to remediate the issue. Oracle emphasizes remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-83154: Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. in Oracle Corporation Siebel CRM End User
Description
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
CVSS v3.1
Score 9.1critical
Affected software
Oracle Corporation
Siebel CRM End User
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Siebel CRM End User's Open UI component allows an unauthenticated network attacker to exploit SOAP access to gain unauthorized control over critical data. Successful exploitation can result in unauthorized creation, deletion, or modification of data accessible via Siebel CRM End User, compromising confidentiality and integrity. The affected versions are 17.0 through 26.7 inclusive. Oracle has published a Critical Security Patch Update in September 2026 that includes fixes for this vulnerability among others.
Potential Impact
The vulnerability enables an unauthenticated attacker to gain unauthorized access to critical data within Siebel CRM End User, including the ability to create, delete, or modify such data. This compromises the confidentiality and integrity of the affected system's data, potentially leading to significant business impact due to data manipulation or exposure. There is no reported impact on availability.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers are strongly advised to apply the provided patches promptly to remediate the issue. Oracle emphasizes remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.343Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a82155bf5e2cf5537d79
Added to database: 09/15/2026, 20:18:41 UTC
Last enriched: 09/15/2026, 22:47:42 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 4
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