CVE-2026-83078

Analyzed Analyzed - Analysis Complete

Unauthenticated Access in Siebel CRM Cloud Applications

Publication date: 2026-09-15

Last updated on: 2026-09-22

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications 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

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83078

EUVD

EUVD-2026-79406

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 22.3 (inc) to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability affects Oracle Siebel CRM Cloud Applications versions 22.3 to 26.7. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially compromise sensitive data or gain full access to all application data. The vulnerability has a high impact on confidentiality and a low impact on integrity according to CVSS 3.1 scoring.

Detection Guidance

This vulnerability affects Oracle Siebel CRM Cloud Applications versions 22.3-26.7 and allows unauthenticated network access via HTTP. Detection should focus on identifying exposed Siebel CRM instances and verifying patch levels. Check for open HTTP ports (typically 80 or 443) and inspect server headers for Siebel CRM version information. Use network scanning tools like nmap to identify vulnerable versions.

Impact Analysis

An attacker could exploit this to access critical data, modify or delete some data, or gain complete control over the Siebel CRM Cloud Applications. This could lead to data breaches, unauthorized changes, or loss of sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of personal or sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions must address this to maintain regulatory compliance.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Cloud Applications versions 22.3-26.7. Ensure network access controls restrict HTTP traffic to trusted sources only. Monitor for unauthorized access attempts or unusual data access patterns.

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