CVE-2026-47036

Analyzed Analyzed - Analysis Complete

Siebel CRM Development Authentication Bypass Vulnerability

Publication date: 2026-07-21

Last updated on: 2026-08-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager). Supported versions that are affected are 17.0-26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Development. Successful attacks of this vulnerability can result in takeover of Siebel CRM Development. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-07-21

Last Modified

2026-08-05

Generated

2026-08-11

AI Q&A

2026-07-22

EPSS Evaluated

2026-08-09

NVD

CVE-2026-47036

EUVD

EUVD-2026-46523

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This is a critical vulnerability in Oracle Siebel CRM Development affecting versions 17.0-26.3. It allows unauthenticated attackers to remotely compromise the system via HTTP, potentially leading to full takeover of the Siebel CRM Development environment.

Detection Guidance

This vulnerability affects Oracle Siebel CRM Development versions 17.0-26.3 and allows unauthenticated network access via HTTP. Detection requires checking for vulnerable versions of Siebel CRM Development. Use commands like 'grep' or 'find' to search for installed versions of 'Siebel CRM Development' or related components. Verify if the system is running any of the affected versions (17.0 to 26.3).

Impact Analysis

An attacker could exploit this to gain complete control over your Siebel CRM Development system, leading to unauthorized access, data theft, system manipulation, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of sensitive data, potentially violating GDPR, HIPAA, or other regulations requiring strict data protection and access controls.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Development versions 17.0-26.3. Restrict network access to the Siebel Approval Manager component via HTTP. Monitor for unusual activity or unauthorized access attempts.

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