CVE-2026-83424 in JDeveloper
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Oracle JDeveloper component of the Oracle Fusion Middleware suite, specifically affecting versions 12.2.1.4.0 and 14.1.2.0.0. This security flaw represents a significant risk to organizations relying on these specific releases for application development and management tasks. The core issue stems from an authentication bypass mechanism that allows unauthenticated actors to interact with the JDeveloper interface over HTTP. Because the vulnerability is easily exploitable, it lowers the barrier for entry significantly, requiring no user interaction or complex setup beyond network access to the affected service. This characteristic aligns closely with CWE-287, which describes Improper Authentication, where an attacker fails to adequately prove their identity before being granted access to system resources.
The operational impact of this vulnerability is severe due to its high confidentiality implications as indicated by a CVSS 3.1 Base Score of 7.5. The attack vector involves network accessibility via HTTP with low complexity and no required privileges, meaning any remote attacker on the same network or internet-facing instance can attempt exploitation. Upon successful compromise, an adversary gains unauthorized access to critical data stored within the JDeveloper environment. This includes sensitive source code, configuration files, database credentials, and other proprietary assets managed through the IDE. In worst-case scenarios, the vulnerability grants complete access to all Oracle JDeveloper accessible data, potentially leading to intellectual property theft or further lateral movement into connected systems if those resources are linked externally.
From a threat modeling perspective, this exploitation path corresponds to ATT&CK technique T1078, Valid Accounts, although in this case it is achieved without valid credentials due to the authentication flaw. It also relates to T1539, Steal Web Session Cookie, if session tokens are intercepted or forged as part of the unauthorized access process. The lack of required user interaction and network-based delivery makes this a high-priority target for automated scanning tools and opportunistic attackers seeking quick wins against enterprise development environments.
Mitigation strategies must prioritize immediate patching to the latest supported version of Oracle JDeveloper that resolves this authentication bypass issue. Organizations should also implement strict access controls by restricting HTTP traffic to only trusted IP addresses using firewall rules or reverse proxy configurations with additional authentication layers such as OAuth2 or SAML if direct exposure is unavoidable. Enabling HTTPS and disabling plain HTTP connections can prevent some forms of interception, although the root cause lies in the application logic rather than transport security alone. Regular vulnerability scanning and monitoring for unusual access patterns to JDeveloper endpoints are recommended to detect potential exploitation attempts early.