CVE-2026-83266 Missing authorization in Oracle JDeveloper
Unauthenticated attackers can access critical data and cause partial denial of service in Oracle JDeveloper via HTTP.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83266?
CVE-2026-83266 is a high-severity missing authorization vulnerability in Oracle JDeveloper, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). 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 JDeveloper. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).
Weakness: CWE-306
Which versions are affected by CVE-2026-83266?
How do I fix CVE-2026-83266?
No fix has been published for CVE-2026-83266 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83266 being exploited?
There is no known exploitation of CVE-2026-83266 in the wild and no public exploit code.
Sources
Also known as GHSA-4jwm-8gcr-54gr.