CVE-2026-87300 Vulnerability in the Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: WebLogic Server Proxy Plug-In for
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-87300?
CVE-2026-87300 is a high-severity vulnerability in Oracle Weblogic Server Proxy Plug-in, published on 20 Oct 2026.
Official description
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).
Weakness: CWE-284
Which versions are affected by CVE-2026-87300?
How do I fix CVE-2026-87300?
No fix has been published for CVE-2026-87300 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87300 being exploited?
There is no known exploitation of CVE-2026-87300 in the wild and no public exploit code.
Sources
Also known as GHSA-fg4p-p74v-f2jq.