CVE-2026-83094 in Forms
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that are affected are 12.2.1.19.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Forms. Successful attacks of this vulnerability can result in takeover of Oracle Forms. 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 • 09/16/2026
The identified vulnerability resides within the Oracle Forms product of the Oracle Fusion Middleware suite, specifically affecting the Forms Services component in client/server and Charmode configurations across versions 12.2.1.19.0 and 14.1.2.0.0. This security flaw is characterized by its high severity, with a CVSS 3.1 base score of 9.8 indicating critical risk to confidentiality, integrity, and availability. The vulnerability allows for unauthenticated exploitation via network access through the HTTP protocol, meaning that no prior authentication credentials are required for an attacker to initiate an exploit. This lack of authentication requirement significantly lowers the barrier to entry for malicious actors, enabling remote code execution or system compromise without any user interaction or social engineering prerequisites.
From a technical perspective, the flaw likely stems from improper validation or handling of input data within the Forms Services component when processing HTTP requests. Such vulnerabilities often involve buffer overflows, deserialization issues, or logic errors that allow an attacker to inject malicious payloads directly into the application layer. The ability to compromise Oracle Forms through this vector suggests a fundamental breakdown in security controls at the service boundary. By leveraging network access via HTTP, attackers can send specially crafted packets that trigger the underlying flaw, leading to arbitrary code execution on the affected server infrastructure. This capability effectively grants the attacker full control over the compromised system, aligning with common exploitation patterns seen in high-severity web application vulnerabilities where input sanitization fails at critical processing junctures.
The operational impact of this vulnerability is severe due to its potential for complete system takeover. An unauthenticated remote attacker can achieve total compromise of the Oracle Forms environment, which may serve as a gateway to deeper network infiltration if the server hosts sensitive data or connects to other internal systems. The high availability and integrity impacts mean that attackers not only exfiltrate confidential information but also alter application behavior, deface web pages, or deploy additional malware such as ransomware or backdoors. This level of access undermines trust in the middleware infrastructure and can lead to significant business disruption, regulatory non-compliance, and substantial financial loss due to downtime and remediation efforts. The widespread nature of Oracle Fusion Middleware deployments amplifies this risk, potentially exposing numerous organizations to identical threats if patches are not applied promptly.
To mitigate these risks, immediate patching is essential as the vulnerability affects specific supported versions 12.2.1.19.0 and 14.1.2.0.0. Organizations should apply the latest security updates provided by Oracle for their respective middleware versions to address the underlying code flaws. In addition to patching, implementing network-level controls such as web application firewalls can help detect and block malicious HTTP requests targeting this vulnerability before they reach the application layer. Restricting direct internet access to Oracle Forms servers and ensuring that only authorized IP ranges can communicate with these services further reduces the attack surface. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in middleware configurations, while adherence to industry standards like CWE-20 for improper input validation and ATT&CK techniques related to initial access via web applications will aid in maintaining a robust defense posture against evolving threats.