CVE-2026-62621 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 12.2.1.19.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Reports Developer. Successful attacks of this vulnerability can result in takeover of Oracle Reports Developer. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/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 vulnerability identified in Oracle Reports Developer within the Oracle Fusion Middleware suite represents a critical security flaw located specifically within the Security and Authentication component of version 12.2.1.19.0. This defect allows an unauthenticated attacker to compromise the integrity, confidentiality, and availability of the application through network access via TCP connections. The severity of this issue is underscored by its CVSS 3.1 Base Score of 9.8, indicating a critical level of risk that demands immediate attention from system administrators and security operations teams responsible for maintaining Oracle Fusion Middleware environments.
From a technical perspective, the core flaw lies in the authentication mechanism's failure to properly validate credentials or enforce access controls before processing requests. This lack of proper input validation and authorization checks enables an attacker who has network connectivity to the target server to bypass authentication entirely. By exploiting this weakness, the attacker can execute arbitrary commands or manipulate system functions without providing valid user credentials. The absence of required interaction from a legitimate user further simplifies the exploitation process, allowing for automated attacks that do not require social engineering or physical access to the endpoint.
The operational impact of successfully exploiting this vulnerability is severe and comprehensive. As indicated by the high scores in confidentiality, integrity, and availability within the CVSS vector, an attacker can achieve complete takeover of the Oracle Reports Developer instance. This means the adversary gains full control over the application environment, potentially leading to unauthorized access to sensitive data stored or processed by the reports system. Furthermore, the compromised server could be used as a pivot point for lateral movement within the internal network, exposing other critical systems and services to additional threats. The ability to alter integrity ensures that an attacker can modify report outputs or configurations, while availability impacts suggest potential denial of service conditions if the vulnerability is abused to crash the application processes repeatedly.
In terms of industry standard classifications, this vulnerability aligns with CWE-287, which describes Improper Authentication, as well as CWE-306, Missing Authentication for Critical Function. The attack vector corresponds to ATT&CK technique T1078, Valid Accounts, although in this specific case, the attacker does not need valid accounts initially due to the authentication bypass nature of the flaw. This classification highlights the fundamental breakdown in verifying user identity before granting access to protected resources.
Mitigation strategies must focus on immediate remediation and network-level controls. The primary recommendation is to apply the latest security patches provided by Oracle for version 12.2.1.19.0, which address the underlying code defects responsible for the authentication bypass. Until patching can be performed, organizations should implement strict firewall rules to restrict TCP access to the Oracle Reports Developer service exclusively from trusted IP addresses or internal subnets that require legitimate business use. Additionally, deploying a Web Application Firewall with specific rule sets designed to detect and block exploitation attempts related to unauthenticated access patterns can provide an additional layer of defense. Regular auditing of authentication logs should also be conducted to identify any signs of unauthorized access attempts during the window before mitigation is fully deployed.