CVE-2026-91413

Analyzed Analyzed - Analysis Complete

Denial of Service in Siebel CRM Development

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Integration - Scripting). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows high privileged attacker with network access via CORBA to compromise Siebel CRM Development. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Development as well as unauthorized update, insert or delete access to some of Siebel CRM Development accessible data and unauthorized read access to a subset of Siebel CRM Development accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91413

EUVD

EUVD-2026-106665

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Development (versions 17.0-26.9) that allows a high privileged attacker with network access via CORBA to compromise the system. Successful exploitation can cause denial of service (DOS), unauthorized data modification, deletion, or insertion, and unauthorized data access.

Detection Guidance

Detection requires monitoring for unusual network traffic targeting the Siebel CRM Development component via CORBA. Check Oracle Siebel logs for repeated crashes or hangs in version 17.0-26.9. Use network scanners to identify exposed CORBA ports on affected systems.

Impact Analysis

If exploited, this vulnerability could lead to system crashes, unauthorized data changes, or data theft. It requires high privileges and network access, so it primarily affects organizations using Siebel CRM Development with exposed CORBA interfaces.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, which may violate GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations must ensure proper access controls and patching to maintain compliance.

Mitigation Strategies

Apply Oracle's official patch for Siebel CRM Development versions 17.0-26.9. Restrict network access to CORBA ports via firewall rules. Limit privileges for users accessing the Siebel CRM Development component to reduce attack surface.

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EPSS Chart

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