Executive brief
Oracle JDeveloper is a Java-based integrated development environment used by enterprise developers to build and deploy applications. A vulnerability in its Security Framework allows a low-privileged user to bypass authentication and gain complete control of the JDeveloper instance via network access, leading to potential compromise of development environments and source code.
Technical details
This is an easily exploitable authentication or authorization bypass vulnerability in the Oracle JDeveloper Security Framework component. The flaw requires only low privilege network access via HTTP; no special user interaction is needed. A successful exploit allows an authenticated or low-privileged attacker to escalate privileges and achieve complete takeover of the JDeveloper instance, with impacts spanning confidentiality, integrity, and availability. Affected versions include 12.2.1.4.0 and 14.1.2.0.0. Oracle has released patches as part of their September 2026 security updates.
Affected products
- Oracle JDeveloper 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-09-15: disclosed: CVE-2026-83423 published
- 2026-09-15: advisory: Oracle security alert CSPUSep2026 released