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CVE-2026-83020: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. While the vulnerability is in Oracle Platform Security for Java, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. in Oracle Corporation Oracle Platform Security for Java

0
Critical
VulnerabilityCVE-2026-83020cvecve-2026-83020
Published: 09/15/2026 (09/15/2026, 20:02:56 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle Platform Security for Java

Description

Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. While the vulnerability is in Oracle Platform Security for Java, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

CVSS v3.1

Score 10.0critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected software

Oracle Corporation

Oracle Platform Security for Java

Affected versions
=12.2.1.4.0=14.1.2.0.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 22:35:43 UTC

Technical Analysis

This vulnerability affects Oracle Platform Security for Java, a component of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.0.0. It is an easily exploitable flaw that allows an unauthenticated attacker with network access via HTTP to take over the Oracle Platform Security for Java component. The vulnerability's scope extends beyond this component, potentially affecting other Oracle products that rely on it. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, and complete impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes targeted patches for this and many other vulnerabilities.

Potential Impact

Successful exploitation results in complete compromise of Oracle Platform Security for Java, including full confidentiality, integrity, and availability impacts. Because this component is foundational, the vulnerability may also significantly impact additional Oracle products that depend on it, potentially leading to broader system compromise.

Mitigation Recommendations

Oracle has released patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly to mitigate the risk. Oracle recommends remaining on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.331Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a80755bf5e2cf5537c60

Added to database: 09/15/2026, 20:18:15 UTC

Last enriched: 09/15/2026, 22:35:43 UTC

Last updated: 09/16/2026, 03:03:35 UTC

Views: 3

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