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CVE-2026-73966: Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Marketing. in Oracle Corporation Siebel Apps - Marketing

0
High
VulnerabilityCVE-2026-73966cvecve-2026-73966
Published: 09/15/2026 (09/15/2026, 20:02:47 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Siebel Apps - Marketing

Description

CVE-2026-73966 is a vulnerability in Oracle Siebel Apps - Marketing versions 17.0 through 26.7. It allows a high privileged attacker with network access via HTTP to compromise the application, potentially leading to full takeover. The vulnerability has a CVSS 3.1 base score of 7.2, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides targeted security fixes.

CVSS v3.1

Score 7.2high

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

Affected software

Oracle Corporation

Siebel Apps - Marketing

Affected versions
>=17.0 <=26.7

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 22:33:03 UTC

Technical Analysis

This vulnerability affects Oracle Siebel Apps - Marketing (component: Marketing) in versions 17.0 through 26.7. It is easily exploitable by an attacker who already has high privileges and network access via HTTP. Successful exploitation can result in complete compromise of the Siebel Apps - Marketing application. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.

Potential Impact

An attacker with high privileges and network access via HTTP can exploit this vulnerability to take over the Siebel Apps - Marketing application. This can lead to full compromise affecting confidentiality, integrity, and availability of the application.

Mitigation Recommendations

Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply these security patches promptly and remain on actively supported versions to mitigate the risk. No indication of alternative mitigations or that no action is required was provided.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-13T18:41:45.893Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a80255bf5e2cf5537c24

Added to database: 09/15/2026, 20:18:10 UTC

Last enriched: 09/15/2026, 22:33:03 UTC

Last updated: 09/15/2026, 22:33:03 UTC

Views: 3

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