Vulnerability Details CVE-2026-87300
Vulnerability in the Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: WebLogic Server Proxy Plug-In for Third-Party Web Servers). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle Weblogic Server Proxy Plug-in accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 23.0%
CVSS Severity
CVSS v3 Score 8.7
Products affected by CVE-2026-87300
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cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0
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cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0
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cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0