CVE-2026-83038: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. in Oracle Corporation Oracle WebLogic Server
CVE-2026-83038 is a critical vulnerability in Oracle WebLogic Server affecting versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. It allows a low privileged attacker with network access via HTTP to compromise the server, potentially leading to full takeover. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 9.9. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly to mitigate risk.
AI Analysis
Technical Summary
This vulnerability exists in the TopLink Integration component of Oracle WebLogic Server, part of Oracle Fusion Middleware. It is easily exploitable by an attacker with low privileges and network access via HTTP, resulting in a complete compromise of the Oracle WebLogic Server. The vulnerability has a CVSS 3.1 score of 9.9, indicating critical impact across confidentiality, integrity, and availability. The scope of the vulnerability extends beyond WebLogic Server, potentially affecting additional Oracle products. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 others. The affected versions explicitly include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.
Potential Impact
Successful exploitation allows an attacker with low privileges and network access to take over Oracle WebLogic Server, compromising confidentiality, integrity, and availability. The vulnerability also has a scope change effect, meaning it may impact additional Oracle products beyond WebLogic Server.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for their affected Oracle WebLogic Server versions without delay. Oracle strongly recommends staying on actively supported versions and promptly applying security patches to prevent exploitation.
CVE-2026-83038: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. in Oracle Corporation Oracle WebLogic Server
Description
CVE-2026-83038 is a critical vulnerability in Oracle WebLogic Server affecting versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. It allows a low privileged attacker with network access via HTTP to compromise the server, potentially leading to full takeover. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 9.9. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly to mitigate risk.
CVSS v3.1
Score 9.9critical
Affected software
Oracle Corporation
Oracle WebLogic Server
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the TopLink Integration component of Oracle WebLogic Server, part of Oracle Fusion Middleware. It is easily exploitable by an attacker with low privileges and network access via HTTP, resulting in a complete compromise of the Oracle WebLogic Server. The vulnerability has a CVSS 3.1 score of 9.9, indicating critical impact across confidentiality, integrity, and availability. The scope of the vulnerability extends beyond WebLogic Server, potentially affecting additional Oracle products. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 others. The affected versions explicitly include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.
Potential Impact
Successful exploitation allows an attacker with low privileges and network access to take over Oracle WebLogic Server, compromising confidentiality, integrity, and availability. The vulnerability also has a scope change effect, meaning it may impact additional Oracle products beyond WebLogic Server.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for their affected Oracle WebLogic Server versions without delay. Oracle strongly recommends staying on actively supported versions and promptly applying security patches to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.333Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a80c55bf5e2cf5537c78
Added to database: 09/15/2026, 20:18:20 UTC
Last enriched: 09/15/2026, 22:37:22 UTC
Last updated: 09/15/2026, 22:37:22 UTC
Views: 3
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