CVE-2026-91445
Analyzed Analyzed - Analysis Complete

Unauthenticated Access in Oracle Siebel CRM End User

Vulnerability report for CVE-2026-91445, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Communications Panel/Dashboard). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM End User accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-11-05
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
oracle siebel_crm From 17.0 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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Executive Summary

This vulnerability affects Oracle Siebel CRM End User versions 17.0-26.9. It allows an unauthenticated attacker with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized access to critical data or full access to all accessible data, as well as unauthorized modifications to some data.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable versions of Oracle Siebel CRM End User (17.0-26.9) on your network. Inspect HTTP traffic for unusual access patterns to the Communications Panel/Dashboard component. Use network scanning tools to identify systems running affected versions.

Impact Analysis

An attacker could steal sensitive data, modify or delete data, or gain full control over the Siebel CRM system. This could disrupt business operations, lead to data breaches, or cause compliance violations depending on the data stored.

Compliance Impact

This vulnerability could lead to unauthorized access or disclosure of personal or sensitive data, violating GDPR and HIPAA requirements. Organizations may face legal penalties, fines, or reputational damage if such data is compromised.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches immediately. Restrict network access to the Communications Panel/Dashboard component via firewalls. Monitor for unauthorized access attempts or data changes. Consider disabling HTTP access if not required.

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