CVE-2026-83038: Oracle WebLogic Server privilege escalation in TopLink Integration

CVE-2026-83038 · Severity: critical · CVSS 9.9 · Published 2026-09-15

Oracle WebLogic Server is a widely-used application server that hosts enterprise Java applications. This vulnerability in its TopLink Integration component allows a low-privileged authenticated attacker with network access to take complete control of the server, potentially compromising the underlying business applications and data. A successful attack can lead to unauthorized access to sensitive information, data manipulation, and service disruption.

Technologies: Oracle WebLogic Server. Vendors: Oracle.

Quick answers

Is CVE-2026-83038 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83038 being exploited in the wild.
How severe is CVE-2026-83038?
Critical severity, with a CVSS score of 9.9, published 15 September 2026.
Which products and versions are affected?
Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0.
Is there a fix for CVE-2026-83038?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-83038 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-83038?
Check whether you run Oracle WebLogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is a privilege escalation vulnerability in the TopLink Integration component of Oracle WebLogic Server. The vulnerability is easily exploitable by a low-privileged attacker with network access via HTTP; no user interaction is required. An authenticated attacker can leverage this flaw to achieve complete compromise of the WebLogic Server instance (confidentiality, integrity, and availability impact), with potential scope change affecting other connected products. The CVSS 3.1 score of 9.9 reflects the severe nature of the vulnerability. Patch availability through Oracle's security updates is expected via standard patch cycles.

Affected products

  • Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

Timeline

  • 2026-09-15: disclosed
  • 2026-09-15: advisory

References

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