CVE-2026-83339 in WebCenter Enterprise Capture
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle WebCenter Enterprise Capture product of Oracle Fusion Middleware (component: Client Bundle). 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 WebCenter Enterprise Capture. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Enterprise Capture. 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 Client Bundle component of Oracle WebCenter Enterprise Capture, a product belonging to the broader Oracle Fusion Middleware suite. This security flaw affects specific supported versions, namely 12.2.1.4.0 and 14.1.2.0.0, indicating that even currently maintained releases are susceptible to exploitation. The nature of this vulnerability is particularly severe due to its accessibility; it allows an unauthenticated attacker with network access via the HTTP protocol to compromise the target system. This lack of required authentication significantly lowers the barrier for entry, enabling remote adversaries who can reach the service over a network connection to initiate attacks without needing valid credentials or user interaction.
From a technical perspective, the flaw enables complete takeover of the Oracle Webcenter Enterprise Capture application environment. The high severity is quantified by a CVSS 3.1 Base Score of 9.8, which reflects critical impacts across all three pillars of the security triad: confidentiality, integrity, and availability. The vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms that the attack vector is network-based with low complexity, requires no privileges or user interface interaction, and results in high impact on all security aspects when system scope remains unchanged. This suggests that an attacker can likely execute arbitrary code, modify sensitive data, or disrupt service operations effectively upon successful exploitation.
In terms of industry standard classifications, this vulnerability aligns closely with CWE-94, which describes Improper Control of Generation of Code (Code Injection), and potentially CWE-78, the OS Command Injection vulnerability, depending on the specific mechanism used to achieve code execution within the Client Bundle processing logic. The exploitation pattern corresponds to MITRE ATT&CK technique T1190, Exploit Public-Facing Application, as it leverages a web service accessible over HTTP. Furthermore, since no authentication is required, it relates to CWE-306, Missing Authentication for Critical Function, highlighting the failure of the application to verify identity before processing potentially malicious input or requests directed at this specific component.
The operational impact of such a vulnerability is profound. An attacker gaining control over Oracle WebCenter Enterprise Capture can manipulate document capture workflows, exfiltrate sensitive documents processed by the system, inject malware into captured data streams, or use the compromised server as a pivot point for further lateral movement within an enterprise network. Given that this middleware component often handles critical business processes involving document ingestion and processing, its compromise could lead to significant regulatory non-compliance, financial loss, and reputational damage due to data breaches or service outages.
Mitigation strategies must prioritize immediate remediation given the high exploitability and severity of the flaw. Oracle should apply the latest security patches for versions 12.2.1.4.0 and 14.1.2.0.0 as soon as they are available in their official support channels. In environments where patching is not immediately feasible, network-level controls such as Web Application Firewalls (WAF) should be configured to block suspicious HTTP requests targeting the vulnerable endpoints. Additionally, restricting access to the Oracle Fusion Middleware infrastructure through strict firewall rules and ensuring that only authorized IP ranges can reach these services can reduce the attack surface significantly until a permanent fix is deployed. Regular vulnerability scanning and penetration testing are also recommended to identify similar misconfigurations or unpatched components within the middleware stack.