CVE-2026-60204 in WebLogic Server
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. 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 • 07/22/2026
This vulnerability resides within Oracle WebLogic Server's Core component of the Fusion Middleware suite, representing a critical security flaw that affects multiple version lines including 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring authentication or specialized privileges, making it particularly dangerous in production environments where such servers are often exposed to untrusted networks. The attack vector utilizes both T3 and IIOP protocols, which are legacy communication mechanisms that remain enabled by default on many WebLogic installations, creating an extended attack surface for malicious actors.
The technical nature of this vulnerability stems from insufficient authentication controls within the WebLogic Server's core processing mechanisms, allowing unauthorized network-based attackers to establish connections and execute arbitrary code on affected systems. This flaw operates at a foundational level within the server architecture, enabling attackers to gain complete control over the target system through carefully crafted network requests that exploit weaknesses in protocol handling. The vulnerability's impact spans all three fundamental security properties defined by the CVSS framework - confidentiality, integrity, and availability - with a base score of 9.8 indicating extremely high severity. This comprehensive impact assessment reflects the potential for complete system compromise, data exfiltration, service disruption, and persistent access that attackers can achieve through exploitation.
The operational implications of this vulnerability extend far beyond simple network exposure, as WebLogic Servers typically serve as critical infrastructure components within enterprise environments, often hosting mission-critical applications and databases. Successful exploitation can result in complete system takeover, allowing attackers to install backdoors, exfiltrate sensitive data, modify application behavior, or disrupt business operations through service availability attacks. The vulnerability's accessibility via T3 protocol specifically targets the older Java-based communication layer that many organizations continue to support for legacy application compatibility, making even well-maintained systems vulnerable if default configurations are not properly secured.
Organizations should immediately implement network segmentation and firewall rules to restrict access to WebLogic Server ports, particularly those associated with T3 (7001) and IIOP (2809) protocols. The recommended mitigation strategy includes disabling unnecessary protocols through configuration changes, applying the latest Oracle patches, and implementing robust network monitoring to detect suspicious traffic patterns. This vulnerability aligns with CWE-284 Access Control Issues and maps to ATT&CK techniques such as T1190 Exploit Public-Facing Application and T1059 Command and Scripting Interpreter, highlighting its potential for lateral movement and persistent access within compromised networks. Security teams must also conduct comprehensive assessments of their WebLogic Server deployments to identify and remediate similar vulnerabilities across their infrastructure, as this represents a common attack pattern targeting enterprise application servers that remain widely deployed in production environments.