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Wednesday, October 21, 2026AboutContactRSS
Vulnerabilities

Critical Oracle Enterprise Manager Data Guard Flaw Gets 9.9 CVSS Score

A severe vulnerability in Oracle Enterprise Manager Data Guard allows network attackers to take full control of the database management platform.

Illustration: A sleek black network appliance sits on a concrete floor with a single red warning light pulsing on its front panel.
AI-generated illustration: Threat Times

Key points

  • The flaw carries a CVSS 3.1 score of 9.9, categorized as critical.
  • Affected components include Data Guard Management in versions 13.5 and 24.1.
  • Attackers with low privileges and network access can exploit the issue via HTTP.

Oracle has disclosed a critical security vulnerability in its Enterprise Manager for Oracle Database product. The National Vulnerability Database record identifies the flaw as CVE-2026-101529. This issue resides specifically within the Data Guard Management component. It allows attackers to compromise the system with ease.

The vulnerability is rated 9.9 on the CVSS 3.1 scale. This score reflects high impacts on confidentiality, integrity, and availability. An attacker with low privileges can exploit the flaw using standard HTTP requests. They only need network access to the affected system. Successful exploitation results in a complete takeover of the Oracle Enterprise Manager instance.

Scope and Impact

The National Vulnerability Database notes that the vulnerability causes a scope change. This means attacks may significantly impact additional products beyond the initial component. While the flaw is located in Oracle Enterprise Manager, the consequences extend further. The CVSS vector string confirms the remote nature of the threat. It requires no user interaction to trigger the exploit.

Affected Versions

Only specific versions of the software are affected by this security issue. Oracle Enterprise Manager version 13.5 is listed as vulnerable. Version 24.1 is also included in the affected list. Other versions of the product are not mentioned in the NVD record. Users of these two versions should verify their current installations. The component at risk is Data Guard Management.

What should you do?

No patch or fix has been confirmed yet. Organizations using the affected versions should limit network access to the management interface. Monitor logs for unauthorized HTTP requests to the Data Guard components. Restrict low-privileged accounts from having network access to the service. Wait for official vendor updates before applying changes.

What to do and how to stay safe: Oracle

  • Restrict network access to the Oracle Enterprise Manager interface to trusted IPs only.
  • Monitor HTTP traffic logs for unusual activity targeting Data Guard Management endpoints.
  • Audit low-privileged accounts to ensure they cannot reach the vulnerable components.
  • Prepare to apply updates once Oracle releases a confirmed fix for CVE-2026-101529.

Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger

General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.

Frequently asked questions

What is the CVSS score for CVE-2026-101529?

The vulnerability has a CVSS 3.1 Base Score of 9.9, which is classified as critical.

Which versions of Oracle Enterprise Manager are affected?

Versions 13.5 and 24.1 are the supported versions affected by this vulnerability.

Can an attacker exploit this flaw remotely?

Yes, the flaw is easily exploitable via HTTP by a low-privileged attacker with network access.

Sources

  1. NVD
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