CVE-2026-62631 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 Oracle Reports Developer component of Oracle Fusion Middleware version 14.1.2.0.0, specifically affecting its Security and Authentication mechanisms. This flaw represents a critical failure in access control protocols that govern how the application handles authentication requests from clients connecting to the server infrastructure. The core technical deficiency lies in the inability of the system to properly validate or reject unauthenticated connection attempts at the network layer before processing sensitive operations. Consequently, an attacker who gains physical proximity to the hardware hosting the Oracle Reports Developer instance can exploit this weakness without needing valid credentials or user interaction. This characteristic classifies the vulnerability under CWE-287, which describes Improper Authentication, as well as CWE-306, Missing Authentication for Critical Function, highlighting a fundamental lapse in verifying the identity of entities attempting to interact with critical system resources.
The operational impact of this vulnerability is severe due to its high exploitability and broad scope of compromise. Because the attack vector requires only access to the physical communication segment attached to the hardware, it targets environments where network segmentation or air-gapping strategies may be insufficient if physical security controls are lax. An unauthenticated attacker can leverage this flaw to execute arbitrary code, manipulate data integrity, or disrupt service availability on the affected system. The successful exploitation leads directly to a complete takeover of the Oracle Reports Developer environment, granting the adversary full administrative privileges over the application layer. This level of access allows for extensive lateral movement within the organization's network, potential exfiltration of sensitive reports and underlying database contents, and modification or destruction of critical business intelligence assets.
From an industry standard perspective, this vulnerability aligns with MITRE ATT&CK technique T1078, Valid Accounts, although in this specific context, it involves gaining initial access through a lack of authentication rather than stolen credentials. It also relates to T1539, Steal Web Session Cookie, if the attacker intercepts unauthenticated sessions that are subsequently hijacked due to weak session management practices often associated with such authentication flaws. The CVSS 3.1 base score of 8.8 reflects a High severity rating driven by the Attack Vector being Adjacent (AV:A), which covers local network segments and physical proximity, combined with Low Complexity (AC:L) and No Privileges Required (PR:N). This scoring indicates that while the attacker needs to be physically close to the target hardware, no prior access or user interaction is necessary, making it a significant risk for on-premises deployments where internal networks are not strictly segmented from physical infrastructure zones.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. The primary recommendation is to apply the latest security patches provided by Oracle that address this specific authentication bypass in version 14.1.2.0.0 of Fusion Middleware. If patching is not immediately feasible, organizations should implement strict network segmentation using firewalls or VLANs to isolate the servers running Oracle Reports Developer from any physical segments accessible to untrusted personnel. Additionally, enforcing mutual TLS (mTLS) authentication at the transport layer can ensure that only clients with valid certificates are allowed to establish connections, effectively neutralizing this specific attack vector by requiring cryptographic proof of identity before any application-level processing occurs. Regular audits of network access controls and continuous monitoring for unauthorized connection attempts from adjacent segments are essential components of a defense-in-depth strategy against such vulnerabilities.