CVE-2026-70671 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 low privileged attacker with network access via HTTP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Reports Developer accessible data as well as unauthorized access to critical data or complete access to all Oracle Reports Developer accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Oracle Reports Developer component of Oracle Fusion Middleware, specifically affecting version 14.1.2.0.0 under the Security and Authentication module. This flaw represents a significant security deficiency that undermines the integrity and confidentiality mechanisms designed to protect sensitive enterprise data managed by this reporting tool. The presence of such a vulnerability in an authentication-related subsystem suggests a fundamental weakness in how access controls are enforced or validated during user interactions with the application server, potentially allowing malicious actors to bypass intended restrictions through flawed logic or improper input validation within the HTTP handling routines.
Exploitation of this flaw requires only low-privileged network access via the Hypertext Transfer Protocol, which significantly lowers the barrier for entry compared to vulnerabilities requiring administrative privileges or complex local conditions. An attacker with basic user-level credentials can leverage this weakness to execute unauthorized operations against critical data structures. The technical nature of the exploit likely involves manipulating HTTP requests in a way that exploits insufficient authorization checks, allowing the attacker to perform actions such as creating, deleting, or modifying records that should be restricted based on their role or permission set. This indicates a failure in implementing proper object-level access controls where the application fails to verify if the authenticated user has sufficient rights for the specific data operation being requested.
The operational impact of this vulnerability is severe, characterized by high impacts on both confidentiality and integrity as reflected in its CVSS 3.1 base score of 8.1. Successful exploitation enables an attacker to gain unauthorized access to critical business information or achieve complete control over all accessible data within the Oracle Reports Developer environment. This level of compromise can lead to significant data breaches, regulatory non-compliance due to exposure of personally identifiable information or financial records, and potential disruption of business operations through malicious deletion or alteration of essential reporting assets. The ability to modify data introduces risks related to data integrity, where false reports could be generated or historical records tampered with, leading to flawed decision-making processes within the organization.
From a classification perspective, this vulnerability aligns closely with CWE-269 Improper Privilege Management and CWE-862 Missing Authorization, as it allows users with lower privileges to perform actions reserved for higher-level accounts. In terms of adversary tactics, this behavior is consistent with ATT&CK technique T1078 Valid Accounts, where attackers use legitimate credentials to gain access, combined with techniques related to data exfiltration or modification depending on the specific outcome achieved during exploitation. The network-based nature of the attack vector means that remote adversaries can target systems without needing physical proximity or prior local foothold, increasing the surface area for potential compromise across distributed enterprise environments.
Mitigation strategies must focus on immediate patching and enhanced monitoring. Organizations running Oracle Reports Developer version 14.1.2.0.0 should apply the latest security patches provided by Oracle to address these authentication flaws. In addition to applying vendor updates, implementing strict network segmentation can limit exposure by restricting HTTP access to only trusted internal subnets where necessary for legitimate business operations. Deploying Web Application Firewalls with rules specifically tuned to detect anomalous authorization bypass attempts or unusual data modification patterns can provide an additional layer of defense. Furthermore, enforcing the principle of least privilege across all user accounts and regularly auditing access logs for signs of unauthorized data manipulation are critical steps in reducing the risk profile associated with this vulnerability until permanent remediation is fully deployed.