CVE-2026-91628
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Privilege Escalation in Oracle Communications Billing and Revenue Management

Vulnerability report for CVE-2026-91628, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description

Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: BRM Server). Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and 15.2.0.0.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-10-26
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
EUVD

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This is a vulnerability in Oracle Communications Billing and Revenue Management (BRM) versions 15.0.0.0.0 to 15.2.0.0.0. It allows a low-privileged attacker with local access to compromise the BRM server, potentially leading to unauthorized access to critical or all accessible data.

Impact Analysis

If exploited, this vulnerability could allow attackers to access sensitive data stored or processed by the Oracle BRM system, including financial or customer information. This may lead to data breaches, financial loss, or reputational damage depending on the system's use.

Compliance Impact

This vulnerability allows unauthorized access to critical or all accessible data in Oracle Communications Billing and Revenue Management, which could lead to exposure of sensitive personal or financial information. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy) if such data is compromised.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update or security patch for Oracle Communications Billing and Revenue Management versions 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, and 15.2.0.0.0 to address the vulnerability.

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