CVE-2026-87300
HighCVSS 8.7Summary
Vulnerability in Oracle Weblogic Server Proxy Plug-in (component WebLogic Server Proxy Plug-In for Third-Party Web Servers) affecting versions 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. A difficult-to-exploit flaw allows an unauthenticated attacker with HTTP network access to create, delete or modify data and access critical data, and attacks may impact additional products (scope change).
Risk Assessment
An unauthenticated attacker can modify and access critical data, with effects potentially extending beyond the plug-in itself. The CVSS score of 8.7 indicates high risk despite exploitation difficulty.
Recommendation
Apply the Oracle security update for WebLogic Server Proxy Plug-in. Also restrict HTTP access to the plug-in and monitor for unusual requests.
Other vulnerabilities in Oracle Weblogic Server Proxy Plug-in
See all- CVE-2026-83379High
Vulnerability in Oracle Weblogic Server Proxy Plug-in (WebLogic Server Proxy Plug-In for Third-Party Web Servers component) affecting versions 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. A difficult-to-exploit flaw allows an unauthenticated attacker with HTTP network access to create, delete or modify critical data and gain full access to it, with impact potentially extending beyond this product.
- CVE-2026-60365Critical
Vulnerability in Oracle Weblogic Server Proxy Plug-in (component: WebLogic Server Proxy Plug-In for Third-Party Web Servers). Affects version 15.1.1.0.0. An unauthenticated attacker via HTTP can access and modify critical data, potentially affecting other products.
Original NVD description (English source)
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).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS