CVE-2026-70674 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. Successful attacks of this vulnerability can result in takeover of Oracle Reports Developer. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/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 which is part of the broader Oracle Fusion Middleware suite. This flaw represents a critical security deficiency that undermines the fundamental trust boundaries expected in enterprise reporting environments. The core issue stems from insufficient authentication mechanisms or validation checks within the application layer, allowing an adversary to bypass standard access controls without requiring valid credentials. This lack of proper identity verification creates a pathway for unauthorized entities to interact with sensitive system functions and data structures that are intended to be restricted to authenticated users only.
The operational impact of this vulnerability is severe due to its high exploitability and the breadth of consequences it enables. An attacker who gains access to the physical communication segment attached to the hardware where Oracle Reports Developer executes can leverage this flaw to achieve complete system compromise. The CVSS 3.1 base score of 8.8 reflects a High severity rating, driven by maximum impacts on Confidentiality, Integrity, and Availability. Specifically, the vector indicates that while the attack requires adjacent network access rather than remote or local execution, it demands low complexity and no user interaction. Once exploited, the attacker can take full control over the Oracle Reports Developer instance, potentially leading to data exfiltration, modification of critical reports, disruption of reporting services, and further lateral movement within the internal network infrastructure.
From a technical classification perspective, this vulnerability aligns with CWE-287 Improper Authentication, as it involves failing to correctly verify identity before granting access or performing privileged actions. Furthermore, given that exploitation requires proximity to the physical communication segment, it maps closely to ATT&CK technique T1046 Network Service Discovery and potentially T1557 Adversary-in-the-Middle if the attacker intercepts traffic on that segment to facilitate the attack vector. The requirement for access to the specific hardware environment suggests that this is not a remotely exploitable vulnerability over the public internet, but rather poses a significant risk in environments where physical security controls are lax or where shared network segments allow unauthorized devices to communicate with the target host.
Mitigation strategies must focus on both technical remediation and environmental hardening. The primary defense is applying the latest available patches provided by Oracle for version 14.1.2.0.0, which address the underlying authentication logic flaws. In addition to patching, organizations should enforce strict network segmentation policies to isolate critical middleware components from general-purpose or untrusted networks. Physical security controls must be reviewed to ensure that only authorized personnel and devices can access the physical communication segments connected to servers running Oracle Reports Developer. Implementing intrusion detection systems capable of monitoring for anomalous authentication attempts on these specific interfaces can also provide early warning indicators of exploitation activity. Regular audits of network topology and access control lists are essential to maintain a robust security posture against adjacent attackers seeking to exploit such vulnerabilities.