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CVE-2026-83223: Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. in Oracle Corporation Siebel CRM Deployment

0
High
VulnerabilityCVE-2026-83223cvecve-2026-83223
Published: 09/15/2026 (09/15/2026, 20:04:26 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Siebel CRM Deployment

Description

CVE-2026-83223 is a vulnerability in Oracle Siebel CRM Deployment (Siebel Remote component) affecting versions 17.0 through 26.7. It allows a low privileged attacker with network access via HTTP to potentially compromise the Siebel CRM Deployment. The vulnerability is rated with a CVSS 3.1 base score of 7.5, indicating high severity with impacts on confidentiality, integrity, and availability. Successful exploitation could lead to full takeover of the Siebel CRM Deployment. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update and strongly recommends applying the patches promptly.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

Siebel CRM Deployment

Affected versions
>=17.0 <=26.7

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 22:53:39 UTC

Technical Analysis

This vulnerability in Oracle Siebel CRM Deployment affects versions 17.0 to 26.7 and involves the Siebel Remote component. It allows a low privileged attacker with network access via HTTP to compromise the deployment. The CVSS 3.1 score of 7.5 reflects high impact on confidentiality, integrity, and availability. Oracle has included a fix for this vulnerability in its September 2026 Critical Security Patch Update, which contains targeted security patches for multiple Oracle products. Oracle advises customers to apply these patches without delay to mitigate the risk.

Potential Impact

If exploited, this vulnerability can lead to a complete takeover of the Siebel CRM Deployment, impacting confidentiality, integrity, and availability of the system. The attacker requires only low privileges and network access via HTTP, but the vulnerability is considered difficult to exploit. There are no known exploits in the wild at this time.

Mitigation Recommendations

Oracle has released a security patch for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the official Oracle patches promptly to remediate this issue. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. No alternative mitigations are specified by the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.347Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a82e55bf5e2cf55380d9

Added to database: 09/15/2026, 20:18:54 UTC

Last enriched: 09/15/2026, 22:53:39 UTC

Last updated: 09/15/2026, 22:53:39 UTC

Views: 3

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