CVE-2026-87300
Reported by oracle · Published October 20, 2026
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).
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Oracle Weblogic Server Proxy Plug-in | 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 |
| oracle | weblogic_server_proxy_plug-in | |
| Oracle Corporation | Oracle Weblogic Server Proxy Plug-in | 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 |
Timeline
- Oct 20, 2026 CVE Published
- Oct 21, 2026 EPSS Score (5 in total, the first dated here)
- Oct 21, 2026 Coalition ESS Score
- Oct 27, 2026 CVE Updated
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References
- Oracle Advisory vendor-advisory