External risk intelligence

Attacker can steal or change customer data in Oracle Identity Manager Connector

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2026-34286

An external attacker can exploit a flaw in the Oracle Identity Manager Connector to access, modify, or delete sensitive identity records without needing to log in. This could lead to unauthorized administrative control over enterprise systems, placing critical business data and security at risk.

2Halo Surface Signal

Missing Authentication

Oracle Identity Manager Connector

12.2.1.4.0

External exposure likelihood

Halo Surface Signal score for CVE-2026-34286

The Oracle Identity Manager Connector is a backend integration component designed for internal communication between identity systems and target applications. It is typically deployed within protected internal networks, not intended for public internet exposure. Direct public access to such integration middleware is uncommon and would generally indicate an atypical configuration.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in Oracle Identity Manager Connector allows an unauthenticated attacker with network access to gain unauthorized control. This could lead to the creation, deletion, or modification of critical data, or complete access to all accessible data within the product.

  • Attackers can access it from the internet.
  • It affects critical data and system access.
  • Successful attacks have a high impact.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this flaw to gain unauthorized access and manipulate critical data within the Oracle Identity Manager Connector. Since the vulnerability is easily exploitable and doesn't require authentication, an unauthenticated attacker with network access can compromise the system. Successful attacks could lead to unauthorized creation, deletion, or modification of data, or even complete data access.

  • Unauthenticated network attacker.
  • Target: Oracle Identity Manager Connector.
  • Data integrity and confidentiality compromise.

Live Threat

Current exploitation, exposure, and threat context

Attackers would likely target this vulnerability due to its critical severity and ease of exploitation. It allows unauthenticated attackers to gain unauthorized access and modify critical data. The broad impact on data confidentiality and integrity makes it an attractive target for data theft and manipulation.

  • No prior authentication needed.
  • Network exploitable.
  • Impacts critical data.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate isolation or shutdown of affected Oracle Identity Manager Connector 12.2.1.4.0 instances due to the critical CVSS 9.1 score and potential for unauthorized data access. Given the unauthenticated network exploitability, assume compromise and focus on containment.

  • Isolate affected services immediately.
  • Monitor for anomalous data access activity.
  • Investigate vendor patches for Oracle Fusion Middleware.

Frequently asked questions

What is Oracle Identity Manager Connector and what is it used for?

Oracle Identity Manager Connector is a component of Oracle Fusion Middleware. It's used for integrating identity management systems with other applications, facilitating processes related to user identities and access control.

What is CVE-2026-34286 and what kind of weakness does it represent?

CVE-2026-34286 is a vulnerability in Oracle Identity Manager Connector. It is classified as a weakness that allows unauthorized access, specifically related to improper access control or improper authentication, enabling an attacker to bypass security mechanisms.

What are the preconditions for an attacker to exploit this vulnerability?

An attacker needs network access to the affected system via HTTPS. Crucially, no prior authentication is required, and the attacker does not need any special privileges on the system to exploit this vulnerability.

Who should be concerned about this vulnerability based on its exposure?

Organizations running Oracle Identity Manager Connector, especially if it is accessible from the internet, should be concerned. The Halo Surface Signal indicates this is an external-facing vulnerability, meaning it could be targeted by attackers outside the internal network.

What is the first step for someone running this technology if they are affected?

The first step is to immediately isolate any affected instances of Oracle Identity Manager Connector version 12.2.1.4.0 from the network to prevent further unauthorized access. Following isolation, investigate and apply any relevant patches or updates provided by Oracle.

References