CVE-2026-70670 in Reports Developer
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Reports Developer product of Oracle Fusion Middleware (component: Security and Authentication). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Reports Developer executes to compromise Oracle Reports Developer. While the vulnerability is in Oracle Reports Developer, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Reports Developer. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Security and Authentication component of Oracle Reports Developer, specifically affecting version 14.1.2.0.0 as part of the Oracle Fusion Middleware suite. This flaw represents a critical security deficiency that undermines the fundamental trust boundaries expected in enterprise middleware environments. The core technical issue involves an authentication bypass or insufficient access control mechanism within the application's handling of incoming requests from local network segments. Because the vulnerability is classified with high availability and confidentiality impacts, it suggests that the system fails to properly validate credentials or session tokens for certain administrative or sensitive operations when accessed via specific communication protocols supported by the product. This lack of rigorous authentication allows an adversary who has gained physical access to the hardware segment where Oracle Reports Developer executes to interact directly with the service without needing valid user credentials. The presence of this flaw indicates a significant gap in the implementation of secure design principles, particularly regarding how the application distinguishes between trusted local administrative interfaces and untrusted network endpoints.
From an operational perspective, the impact of this vulnerability is severe due to its low complexity and lack of required privileges for exploitation. An attacker with physical access to the LAN segment or any communication path attached to the server hosting Oracle Reports Developer can launch attacks that do not require user interaction or prior authentication. The successful exploitation leads to a complete compromise of the application, granting the attacker full control over the Oracle Reports Developer instance. This level of access typically allows for arbitrary code execution, modification of configuration files, and potential pivoting into other parts of the network infrastructure. Given that attacks may significantly impact additional products due to scope changes, this vulnerability serves as a critical entry point for broader system compromise. The attacker could potentially extract sensitive data processed by the reporting engine, alter report outputs to introduce malicious content or exfiltrate information, and disrupt service availability by crashing the application or manipulating its underlying processes.
The technical classification of this flaw aligns with Common Weakness Enumeration standards such as CWE-287 Improper Authentication and CWE-306 Missing Authentication for Critical Function. These weaknesses highlight the failure to verify identity before performing security-sensitive actions. In terms of offensive tactics, this vulnerability maps directly to MITRE ATT&CK techniques related to Initial Access via Local Network Services and potentially Privilege Escalation if the compromised service runs with elevated system privileges. The high CVSS 3.1 Base Score of 9.6 reflects the combination of Attack Vector Adjacent (physical or local network access), Low Complexity, No Required User Interaction, and Changed Scope which amplifies the risk to dependent systems. This scoring underscores that while the initial vector is limited by physical proximity, the resulting impact on confidentiality, integrity, and availability is nearly total for the affected component and its ecosystem.
Mitigation strategies must focus on immediate isolation and patching. Oracle should be consulted immediately for available patches or updates that address this specific authentication flaw in version 14.1.2.0.0. In the interim, network segmentation is critical; administrators should ensure that the management interfaces of Oracle Reports Developer are not exposed to untrusted physical segments. Implementing strict firewall rules to restrict access to only known administrative IP addresses can reduce the attack surface significantly. Additionally, enabling comprehensive logging and monitoring for authentication failures on this service will aid in detecting exploitation attempts. Since the vulnerability allows takeover with adjacent network access, physical security of the server hardware is also a necessary layer of defense. Organizations must treat this as a high-priority remediation item due to the ease of exploitation and the potential for cascading impacts across integrated middleware products.