CVE-2026-101495

Analyzed Analyzed - Analysis Complete

Authentication Bypass in Siebel CRM Development

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager). 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 Development. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Siebel CRM Development. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

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

CVE-2026-101495

EUVD

EUVD-2026-105911

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-352	The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated 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 an unauthenticated attacker to potentially take over the system via HTTP. The attack requires user interaction and has a high CVSS score of 8.8 due to its impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-101495 requires checking for vulnerable versions of Oracle Siebel CRM Development (17.0-26.9). Inspect installed Siebel CRM components and verify if the Approval Manager module is present and within the affected version range. Monitor network traffic for HTTP requests targeting Siebel CRM services.

Impact Analysis

An attacker could exploit this to gain full control of your Siebel CRM Development system, leading to unauthorized access, data theft, or system disruption. The need for human interaction slightly reduces risk but does not eliminate it.

Compliance Impact

This vulnerability could lead to breaches of sensitive data, violating GDPR (data protection) and HIPAA (health information privacy). Organizations using affected versions may face compliance failures, legal penalties, and reputational damage.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Development versions 17.0-26.9. Restrict network access to the Siebel Approval Manager component via HTTP. Monitor for unusual activity or unauthorized access attempts.

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EPSS Chart

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