Oracle Siebel CRM Deployment up to 26.9 Server Infrastructure privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.39

Summaryinfo

A vulnerability was found in Oracle Siebel CRM Deployment up to 26.9. It has been declared as problematic. Affected is an unknown function of the component Server Infrastructure. Executing a manipulation can lead to privileges management. This vulnerability is tracked as CVE-2026-91436. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle Siebel CRM Deployment up to 26.9 and classified as problematic. This vulnerability affects some unknown processing of the component Server Infrastructure. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data as well as unauthorized read access to a subset of Siebel CRM Deployment accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 3.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L).

The advisory is shared for download at oracle.com. This vulnerability was named CVE-2026-91436 since 09/15/2026. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/21/2026). The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.9
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/15/2026 CVE reserved
10/21/2026 +36 days Advisory disclosed
10/21/2026 +0 days VulDB entry created
10/21/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2026-91436 (🔒)
GCVE (CVE): GCVE-0-2026-91436
GCVE (VulDB): GCVE-100-424192

Entryinfo

Created: 10/21/2026 06:09
Changes: 10/21/2026 06:09 (65)
Complete: 🔍
Cache ID: 216::103

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