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OracleCVE-2026-87300

Oracle Weblogic Server Proxy Plug-in: data tampering via WebLogic Server Proxy...

Oracle

CVE-2026-87300 · Published Oct 20, 2026 · updated Oct 27, 2026

High8.7
No fix yet
Oracle advisory

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).

Affected versions

PackageAffectedFixed in
Oracle Weblogic Server Proxy Plug-in
Product
<= 12.2.1.4.0No fix yet
<= 14.1.1.0.0No fix yet
<= 14.1.2.0.0No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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